5年级下册数学口算题?口算是一边心算一边口说地运算。口算就是用脑计算,用口头叙述来记忆当时的结果。这种方法用于速算,常练有助于智力的提高。也成为如今的主流的计算方法,也叫“心算”。数学教学方法之一。那么,5年级下册数学口算题?一起来了解一下吧。
1)2.9 × 0.5 = 答案:1.45 (2)5.9 × 0.2 = 答案:1.18 (3)3.6 × 7 = 答案:25.2 (4)4.3 × 0.3 = 答案:1.29 (5)5.9 × 9 = 答案:53.1 (6)9.4 × 9 = 答案:84.6 (7)7.5 × 6 = 答案:45 (8)1.3 × 3 = 答案:3.9 (9)3.8 × 7 = 答案:26.6 (10)4.7 × 5 = 答案:23.5 (11)5.2 × 7 = 答案:36.4 (12)2.3 × 2 = 答案:4.6 (13)6.8 × 7 = 答案:47.6 (14)6.7 × 0.3 = 答案:2.01 (15)7.5 × 7 = 答案:52.5 (16)7.1 × 0.7 = 答案:4.97 (17)6.6 × 2 = 答案:13.2 (18)3.5 × 0.2 = 答案:0.7 (19)3.7 × 0.3 = 答案:1.11 (20)4 × 0.3 = 答案:1.2 (21)9.2 × 9 = 答案:82.8 (22)6.1 × 9 = 答案:54.9 (23)6.8 × 5 = 答案:34 (24)4.8 × 4 = 答案:19.2 (25)4.1 × 2 = 答案:8.2 (26)6.4 × 0.4 = 答案:2.56 (27)9.6 × 7 = 答案:67.2 (28)1.9 × 0.8 = 答案:1.52 (29)4.2 × 0.3 = 答案:1.26 (30)1.9 × 0.8 = 答案:1.52 (31)8.7 × 0.4 = 答案:3.48 (32)2.6 × 7 = 答案:18.2 (33)2.1 × 3 = 答案:6.3 (34)1.6 × 2 = 答案:3.2 (35)5.3 × 3 = 答案:15.9 (36)8.5 × 9 = 答案:76.5 (37)6.9 × 0.7 = 答案:4.83 (38)6.6 × 0.4 = 答案:2.64 (39)4.3 × 8 = 答案:34.4 (40)8.2 × 3 = 答案:24.6 (41)8.4 × 6 = 答案:50.4 (42)2 × 6 = 答案:12 (43)8.7 × 0.3 = 答案:2.61 (44)3.2 × 0.5 = 答案:1.6 (45)8.5 × 0.9 = 答案:7.65 (46)7.1 × 0.7 = 答案:4.97 (47)7.1 × 6 = 答案:42.6 (48)7.4 × 0.5 = 答案:3.7 (49)9.6 × 3 = 答案:28.8 (50)8.4 × 8 = 答案:67.2 (51)2.5 × 4 = 答案:10 (52)1.3 × 3 = 答案:3.9 (53)8 × 0.4 = 答案:3.2 (54)7.8 × 9 = 答案:70.2 (55)6 × 0.5 = 答案:3 (56)7.7 × 8 = 答案:61.6 (57)9.9 × 0.7 = 答案:6.93 (58)5.4 × 2 = 答案:10.8 (59)5.1 × 2 = 答案:10.2 (60)4.7 × 3 = 答案:14.1 (61)1.2 × 0.2 = 答案:0.24 (62)5.3 × 0.2 = 答案:1.06 (63)2.7 × 8 = 答案:21.6 (64)2 × 9 = 答案:18 (65)9.6 × 9 = 答案:86.4 (66)5.4 × 3 = 答案:16.2 (67)9.3 × 3 = 答案:27.9 (68)5.5 × 0.8 = 答案:4.4 (69)7.4 × 0.7 = 答案:5.18 (70)3.4 × 0.6 = 答案:2.04 (71)4.5 × 0.4 = 答案:1.8 (72)3.8 × 7 = 答案:26.6 (73)4.7 × 0.2 = 答案:0.94 (74)1.5 × 6 = 答案:9 (75)8 × 0.9 = 答案:7.2 (76)9.2 × 0.6 = 答案:5.52 (77)2.4 × 9 = 答案:21.6 (78)1.8 × 5 = 答案:9 (79)8.9 × 0.6 = 答案:5.34 (80)3.2 × 0.8 = 答案:2.56 (81)9.7 × 9 = 答案:87.3 (82)6 × 7 = 答案:42 (83)1.6 × 0.7 = 答案:1.12 (84)6.3 × 2 = 答案:12.6 (85)7.1 × 0.8 = 答案:5.68 (86)5.2 × 7 = 答案:36.4 (87)3.9 × 0.8 = 答案:3.12 (88)9.9 × 0.2 = 答案:1.98 (89)2.4 × 0.4 = 答案:0.96 (90)3.5 × 5 = 答案:17.5 (91)7.7 × 3 = 答案:23.1 (92)9.5 × 0.2 = 答案:1.9 (93)7.8 × 0.3 = 答案:2.34 (94)3.4 × 8 = 答案:27.2 (95)1.3 × 0.6 = 答案:0.78 (96)9 × 0.5 = 答案:4.5 (97)3.5 × 0.5 = 答案:1.75 (98)3.4 × 9 = 答案:30.6 (99)3.4 × 0.9 = 答案:3.06 (100)6.5 × 0.5 = 答案:3.25 1)7.4 × 6 = 答案:44.4 (2)2.3 × 5 = 答案:11.5 (3)5.1 × 0.4 = 答案:2.04 (4)9.6 × 4 = 答案:38.4 (5)5.4 × 5 = 答案:27 (6)1.5 × 0.8 = 答案:1.2 (7)9.4 × 2 = 答案:18.8 (8)1.6 × 0.8 = 答案:1.28 (9)7.5 × 0.7 = 答案:5.25 (10)3.7 × 9 = 答案:33.3 (11)1.8 × 0.6 = 答案:1.08 (12)3.5 × 7 = 答案:24.5 (13)9.3 × 4 = 答案:37.2 (14)2.7 × 0.7 = 答案:1.89 (15)5.2 × 7 = 答案:36.4 (16)3.8 × 0.2 = 答案:0.76 (17)1.2 × 0.9 = 答案:1.08 (18)6.1 × 7 = 答案:42.7 (19)3.8 × 0.7 = 答案:2.66 (20)1.6 × 5 = 答案:8 (21)5.9 × 0.3 = 答案:1.77 (22)9 × 9 = 答案:81 (23)7.1 × 0.3 = 答案:2.13 (24)9.7 × 2 = 答案:19.4 (25)5.8 × 0.8 = 答案:4.64 (26)1.7 × 6 = 答案:10.2 (27)9.6 × 0.5 = 答案:4.8 (28)1.8 × 4 = 答案:7.2 (29)4.3 × 0.6 = 答案:2.58 (30)1.3 × 9 = 答案:11.7 (31)2.9 × 8 = 答案:23.2 (32)5.6 × 7 = 答案:39.2 (33)5.3 × 0.6 = 答案:3.18 (34)5.4 × 0.7 = 答案:3.78 (35)5.3 × 0.2 = 答案:1.06 (36)8.3 × 2 = 答案:16.6 (37)9.5 × 3 = 答案:28.5 (38)7.3 × 2 = 答案:14.6 (39)2 × 0.5 = 答案:1 (40)5.2 × 0.6 = 答案:3.12 (41)9.7 × 7 = 答案:67.9 (42)6.1 × 8 = 答案:48.8 (43)6.7 × 0.2 = 答案:1.34 (44)8.6 × 6 = 答案:51.6 (45)3.1 × 0.5 = 答案:1.55 (46)8.2 × 6 = 答案:49.2 (47)1.5 × 6 = 答案:9 (48)8.4 × 2 = 答案:16.8 (49)1.3 × 6 = 答案:7.8 (50)8.9 × 0.5 = 答案:4.45 (51)6.7 × 2 = 答案:13.4 (52)5.4 × 6 = 答案:32.4 (53)6.3 × 9 = 答案:56.7 (54)6.4 × 3 = 答案:19.2 (55)8.5 × 0.2 = 答案:1.7 (56)1.5 × 0.5 = 答案:0.75 (57)3 × 0.4 = 答案:1.2 (58)6.8 × 5 = 答案:34 (59)8.7 × 0.3 = 答案:2.61 (60)5.6 × 6 = 答案:33.6 (61)5.5 × 0.7 = 答案:3.85 (62)9.6 × 0.3 = 答案:2.88 (63)9.6 × 7 = 答案:67.2 (64)8.3 × 3 = 答案:24.9 (65)9.5 × 0.5 = 答案:4.75 (66)5.5 × 9 = 答案:49.5 (67)1.9 × 9 = 答案:17.1 (68)2.2 × 7 = 答案:15.4 (69)3.8 × 0.9 = 答案:3.42 (70)1.8 × 0.7 = 答案:1.26 (71)4.6 × 0.2 = 答案:0.92 (72)1.3 × 0.2 = 答案:0.26 (73)4.3 × 0.9 = 答案:3.87 (74)1.4 × 2 = 答案:2.8 (75)7 × 5 = 答案:35 (76)2.5 × 7 = 答案:17.5 (77)6.4 × 0.4 = 答案:2.56 (78)6.3 × 5 = 答案:31.5 (79)3.1 × 4 = 答案:12.4 (80)5.8 × 0.7 = 答案:4.06 (81)1.2 × 8 = 答案:9.6 (82)6.5 × 0.5 = 答案:3.25 (83)3.9 × 0.9 = 答案:3.51 (84)9.3 × 3 = 答案:27.9 (85)2 × 2 = 答案:4 (86)3.7 × 5 = 答案:18.5 (87)1.1 × 3 = 答案:3.3 (88)6.5 × 5 = 答案:32.5 (89)2.7 × 0.8 = 答案:2.16 (90)8.4 × 8 = 答案:67.2 (91)4.2 × 0.8 = 答案:3.36 (92)6.9 × 2 = 答案:13.8 (93)6.6 × 2 = 答案:13.2 (94)9.5 × 0.8 = 答案:7.6 (95)6.6 × 0.7 = 答案:4.62 (96)1.7 × 0.5 = 答案:0.85 (97)6.9 × 9 = 答案:62.1 (98)8.4 × 6 = 答案:50.4 (99)9.4 × 0.5 = 答案:4.7 (100)8.4 × 0.5 = 答案:4.2 (1)5.6 × 8 = 答案:44.8 (2)3.9 × 5 = 答案:19.5 (3)5.4 × 0.4 = 答案:2.16 (4)7.3 × 0.2 = 答案:1.46 (5)9.4 × 8 = 答案:75.2 (6)3.8 × 0.3 = 答案:1.14 (7)8.6 × 0.4 = 答案:3.44 (8)7.3 × 4 = 答案:29.2 (9)4.8 × 0.4 = 答案:1.92 (10)1.3 × 4 = 答案:5.2 (11)7.3 × 8 = 答案:58.4 (12)8 × 4 = 答案:32 (13)3.2 × 6 = 答案:19.2 (14)4.7 × 0.3 = 答案:1.41 (15)4.6 × 0.9 = 答案:4.14 (16)9.9 × 4 = 答案:39.6 (17)8.2 × 0.5 = 答案:4.1 (18)8.2 × 0.5 = 答案:4.1 (19)5 × 0.8 = 答案:4 (20)5.7 × 9 = 答案:51.3 (21)3.9 × 5 = 答案:19.5 (22)7.3 × 2 = 答案:14.6 (23)5.3 × 3 = 答案:15.9 (24)6.7 × 0.2 = 答案:1.34 (25)4.3 × 0.5 = 答案:2.15 (26)4.7 × 0.4 = 答案:1.88 (27)2.4 × 5 = 答案:12 (28)7.3 × 0.3 = 答案:2.19 (29)3.8 × 0.9 = 答案:3.42 (30)7.3 × 4 = 答案:29.2 (31)5.1 × 0.7 = 答案:3.57 (32)9.8 × 2 = 答案:19.6 (33)8.3 × 0.7 = 答案:5.81 (34)4.3 × 0.6 = 答案:2.58 (35)9.5 × 0.3 = 答案:2.85 (36)9.9 × 5 = 答案:49.5 (37)3.4 × 2 = 答案:6.8 (38)2.9 × 4 = 答案:11.6 (39)1.1 × 6 = 答案:6.6 (40)2.1 × 5 = 答案:10.5 (41)9.1 × 0.8 = 答案:7.28 (42)9.7 × 0.3 = 答案:2.91 (43)9.6 × 0.5 = 答案:4.8 (44)5.1 × 0.6 = 答案:3.06 (45)5.5 × 8 = 答案:44 (46)9 × 8 = 答案:72 (47)5 × 4 = 答案:20 (48)4.1 × 5 = 答案:20.5 (49)1.4 × 0.3 = 答案:0.42 (50)2.4 × 9 = 答案:21.6 (51)5.1 × 7 = 答案:35.7 (52)7.9 × 5 = 答案:39.5 (53)4.1 × 9 = 答案:36.9 (54)1.6 × 2 = 答案:3.2 (55)6.7 × 0.8 = 答案:5.36 (56)8.9 × 0.7 = 答案:6.23 (57)6.2 × 0.2 = 答案:1.24 (58)2.6 × 7 = 答案:18.2 (59)6.8 × 0.6 = 答案:4.08 (60)5.6 × 9 = 答案:50.4 (61)9.8 × 0.8 = 答案:7.84 (62)9 × 9 = 答案:81 (63)3.8 × 7 = 答案:26.6 (64)2.5 × 6 = 答案:15 (65)1.7 × 5 = 答案:8.5 (66)4.6 × 0.7 = 答案:3.22 (67)8.9 × 3 = 答案:26.7 (68)7.9 × 0.6 = 答案:4.74 (69)6.3 × 4 = 答案:25.2 (70)2.9 × 0.3 = 答案:0.87 (71)4.6 × 8 = 答案:36.8 (72)1.5 × 2 = 答案:3 (73)6.9 × 0.7 = 答案:4.83 (74)5.8 × 6 = 答案:34.8 (75)3.4 × 0.5 = 答案:1.7 (76)1.9 × 2 = 答案:3.8 (77)8.3 × 0.4 = 答案:3.32 (78)7.4 × 6 = 答案:44.4 (79)4.5 × 3 = 答案:13.5 (80)5.9 × 4 = 答案:23.6 (81)8.9 × 0.2 = 答案:1.78 (82)4.9 × 8 = 答案:39.2 (83)7.5 × 2 = 答案:15 (84)1.5 × 7 = 答案:10.5 (85)8.3 × 0.4 = 答案:3.32 (86)6.1 × 0.6 = 答案:3.66 (87)3.7 × 0.5 = 答案:1.85 (88)7.4 × 0.5 = 答案:3.7 (89)1.3 × 0.7 = 答案:0.91 (90)3.5 × 0.7 = 答案:2.45 (91)9.9 × 0.2 = 答案:1.98 (92)2 × 7 = 答案:14 (93)4.4 × 0.8 = 答案:3.52 (94)8.5 × 4 = 答案:34 (95)9.8 × 8 = 答案:78.4 (96)9 × 9 = 答案:81 (97)2.7 × 8 = 答案:21.6 (98)1.6 × 0.3 = 答案:0.48 (99)5.7 × 3 = 答案:17.1 (100)7.5 × 5 = 答案:37.5 1)4.1 × 0.7 = 答案:2.87 (2)3.9 × 5 = 答案:19.5 (3)8.5 × 2 = 答案:17 (4)7.7 × 6 = 答案:46.2 (5)4 × 9 = 答案:36 (6)1.7 × 2 = 答案:3.4 (7)7.9 × 6 = 答案:47.4 (8)4.2 × 0.9 = 答案:3.78 (9)2.6 × 6 = 答案:15.6 (10)9.9 × 8 = 答案:79.2 (11)1.7 × 5 = 答案:8.5 (12)2.4 × 4 = 答案:9.6 (13)6 × 0.4 = 答案:2.4 (14)3.9 × 6 = 答案:23.4 (15)7 × 0.4 = 答案:2.8 (16)7.6 × 0.4 = 答案:3.04 (17)3.9 × 0.7 = 答案:2.73 (18)2.8 × 0.3 = 答案:0.84 (19)3 × 9 = 答案:27 (20)8.1 × 0.3 = 答案:2.43 (21)3.3 × 8 = 答案:26.4 (22)8.1 × 0.7 = 答案:5.67 (23)2.2 × 3 = 答案:6.6 (24)3 × 6 = 答案:18 (25)3.2 × 5 = 答案:16 (26)4.3 × 7 = 答案:30.1 (27)6.7 × 5 = 答案:33.5 (28)2.7 × 0.7 = 答案:1.89 (29)1.4 × 0.9 = 答案:1.26 (30)1.6 × 9 = 答案:14.4 (31)8 × 0.8 = 答案:6.4 (32)5.9 × 2 = 答案:11.8 (33)3.6 × 9 = 答案:32.4 (34)1.4 × 0.6 = 答案:0.84 (35)8.3 × 0.2 = 答案:1.66 (36)7 × 9 = 答案:63 (37)8.7 × 8 = 答案:69.6 (38)2.9 × 3 = 答案:8.7 (39)6.7 × 0.2 = 答案:1.34 (40)1.6 × 0.8 = 答案:1.28 (41)9.6 × 2 = 答案:19.2 (42)5.4 × 5 = 答案:27 (43)5.8 × 0.7 = 答案:4.06 (44)3.7 × 0.2 = 答案:0.74 (45)8.7 × 0.6 = 答案:5.22 (46)2.1 × 0.4 = 答案:0.84 (47)1.6 × 5 = 答案:8 (48)4.6 × 3 = 答案:13.8 (49)9.5 × 0.6 = 答案:5.7 (50)5.6 × 9 = 答案:50.4 (51)5.9 × 0.3 = 答案:1.77 (52)9 × 2 = 答案:18 (53)9 × 4 = 答案:36 (54)4.5 × 3 = 答案:13.5 (55)4.4 × 6 = 答案:26.4 (56)5.5 × 4 = 答案:22 (57)8.6 × 6 = 答案:51.6 (58)6.6 × 0.2 = 答案:1.32 (59)8.7 × 0.6 = 答案:5.22 (60)2.4 × 0.6 = 答案:1.44 (61)2.1 × 0.2 = 答案:0.42 (62)4.4 × 0.8 = 答案:3.52 (63)7.1 × 9 = 答案:63.9 (64)3.8 × 3 = 答案:11.4 (65)8.9 × 7 = 答案:62.3 (66)7.1 × 0.2 = 答案:1.42 (67)3.9 × 0.5 = 答案:1.95 (68)1.6 × 0.7 = 答案:1.12 (69)3.9 × 0.9 = 答案:3.51 (70)7.7 × 2 = 答案:15.4 (71)7 × 0.7 = 答案:4.9 (72)8.3 × 4 = 答案:33.2 (73)5.1 × 0.2 = 答案:1.02 (74)9.2 × 0.8 = 答案:7.36 (75)1.3 × 6 = 答案:7.8 (76)6.8 × 7 = 答案:47.6 (77)2.2 × 3 = 答案:6.6 (78)3.2 × 8 = 答案:25.6 (79)6.8 × 0.2 = 答案:1.36 (80)4.7 × 0.2 = 答案:0.94 (81)6.7 × 9 = 答案:60.3 (82)9.9 × 7 = 答案:69.3 (83)3.3 × 0.2 = 答案:0.66 (84)2.3 × 3 = 答案:6.9 (85)8.3 × 0.5 = 答案:4.15 (86)8.5 × 0.2 = 答案:1.7 (87)1.7 × 0.7 = 答案:1.19 (88)9 × 0.6 = 答案:5.4 (89)9.9 × 5 = 答案:49.5 (90)7.4 × 0.3 = 答案:2.22 (91)7.7 × 2 = 答案:15.4 (92)9.9 × 0.4 = 答案:3.96 (93)5 × 0.2 = 答案:1 (94)8.5 × 5 = 答案:42.5 (95)9.1 × 9 = 答案:81.9 (96)5.6 × 0.5 = 答案:2.8 (97)5 × 8 = 答案:40 (98)3.1 × 0.4 = 答案:1.24 (99)6.8 × 8 = 答案:54.4 (100)1.9 × 0.2 = 答案:0.38
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
(1)2.9 × 0.5 = 答案:1.45 (2)5.9 × 0.2 = 答案:1.18 (3)3.6 × 7 = 答案:25.2 (4)4.3 × 0.3 = 答案:1.29 (5)5.9 × 9 = 答案:53.1 (6)9.4 × 9 = 答案:84.6 (7)7.5 × 6 = 答案:45 (8)1.3 × 3 = 答案:3.9 (9)3.8 × 7 = 答案:26.6 (10)4.7 × 5 = 答案:23.5 (11)5.2 × 7 = 答案:36.4 (12)2.3 × 2 = 答案:4.6 (13)6.8 × 7 = 答案:47.6 (14)6.7 × 0.3 = 答案:2.01 (15)7.5 × 7 = 答案:52.5 (16)7.1 × 0.7 = 答案:4.97 (17)6.6 × 2 = 答案:13.2 (18)3.5 × 0.2 = 答案:0.7 (19)3.7 × 0.3 = 答案:1.11 (20)4 × 0.3 = 答案:1.2 (21)9.2 × 9 = 答案:82.8 (22)6.1 × 9 = 答案:54.9 (23)6.8 × 5 = 答案:34 (24)4.8 × 4 = 答案:19.2 (25)4.1 × 2 = 答案:8.2 (26)6.4 × 0.4 = 答案:2.56 (27)9.6 × 7 = 答案:67.2 (28)1.9 × 0.8 = 答案:1.52 (29)4.2 × 0.3 = 答案:1.26 (30)1.9 × 0.8 = 答案:1.52 (31)8.7 × 0.4 = 答案:3.48 (32)2.6 × 7 = 答案:18.2 (33)2.1 × 3 = 答案:6.3 (34)1.6 × 2 = 答案:3.2 (35)5.3 × 3 = 答案:15.9 (36)8.5 × 9 = 答案:76.5 (37)6.9 × 0.7 = 答案:4.83 (38)6.6 × 0.4 = 答案:2.64 (39)4.3 × 8 = 答案:34.4 (40)8.2 × 3 = 答案:24.6 (41)8.4 × 6 = 答案:50.4 (42)2 × 6 = 答案:12 (43)8.7 × 0.3 = 答案:2.61 (44)3.2 × 0.5 = 答案:1.6 (45)8.5 × 0.9 = 答案:7.65 (46)7.1 × 0.7 = 答案:4.97 (47)7.1 × 6 = 答案:42.6 (48)7.4 × 0.5 = 答案:3.7 (49)9.6 × 3 = 答案:28.8 (50)8.4 × 8 = 答案:67.2 (51)2.5 × 4 = 答案:10 (52)1.3 × 3 = 答案:3.9 (53)8 × 0.4 = 答案:3.2 (54)7.8 × 9 = 答案:70.2 (55)6 × 0.5 = 答案:3 (56)7.7 × 8 = 答案:61.6 (57)9.9 × 0.7 = 答案:6.93 (58)5.4 × 2 = 答案:10.8 (59)5.1 × 2 = 答案:10.2 (60)4.7 × 3 = 答案:14.1 (61)1.2 × 0.2 = 答案:0.24 (62)5.3 × 0.2 = 答案:1.06 (63)2.7 × 8 = 答案:21.6 (64)2 × 9 = 答案:18 (65)9.6 × 9 = 答案:86.4 (66)5.4 × 3 = 答案:16.2 (67)9.3 × 3 = 答案:27.9 (68)5.5 × 0.8 = 答案:4.4 (69)7.4 × 0.7 = 答案:5.18 (70)3.4 × 0.6 = 答案:2.04 (71)4.5 × 0.4 = 答案:1.8 (72)3.8 × 7 = 答案:26.6 (73)4.7 × 0.2 = 答案:0.94 (74)1.5 × 6 = 答案:9 (75)8 × 0.9 = 答案:7.2 (76)9.2 × 0.6 = 答案:5.52 (77)2.4 × 9 = 答案:21.6 (78)1.8 × 5 = 答案:9 (79)8.9 × 0.6 = 答案:5.34 (80)3.2 × 0.8 = 答案:2.56 (81)9.7 × 9 = 答案:87.3 (82)6 × 7 = 答案:42 (83)1.6 × 0.7 = 答案:1.12 (84)6.3 × 2 = 答案:12.6 (85)7.1 × 0.8 = 答案:5.68 (86)5.2 × 7 = 答案:36.4 (87)3.9 × 0.8 = 答案:3.12 (88)9.9 × 0.2 = 答案:1.98 (89)2.4 × 0.4 = 答案:0.96 (90)3.5 × 5 = 答案:17.5 (91)7.7 × 3 = 答案:23.1 (92)9.5 × 0.2 = 答案:1.9 (93)7.8 × 0.3 = 答案:2.34 (94)3.4 × 8 = 答案:27.2 (95)1.3 × 0.6 = 答案:0.78 (96)9 × 0.5 = 答案:4.5 (97)3.5 × 0.5 = 答案:1.75 (98)3.4 × 9 = 答案:30.6 (99)3.4 × 0.9 = 答案:3.06 (100)6.5 × 0.5 = 答案:3.25 1)7.4 × 6 = 答案:44.4 (2)2.3 × 5 = 答案:11.5 (3)5.1 × 0.4 = 答案:2.04 (4)9.6 × 4 = 答案:38.4 (5)5.4 × 5 = 答案:27 (6)1.5 × 0.8 = 答案:1.2 (7)9.4 × 2 = 答案:18.8 (8)1.6 × 0.8 = 答案:1.28 (9)7.5 × 0.7 = 答案:5.25 (10)3.7 × 9 = 答案:33.3 (11)1.8 × 0.6 = 答案:1.08 (12)3.5 × 7 = 答案:24.5 (13)9.3 × 4 = 答案:37.2 (14)2.7 × 0.7 = 答案:1.89 (15)5.2 × 7 = 答案:36.4 (16)3.8 × 0.2 = 答案:0.76 (17)1.2 × 0.9 = 答案:1.08 (18)6.1 × 7 = 答案:42.7 (19)3.8 × 0.7 = 答案:2.66 (20)1.6 × 5 = 答案:8 (21)5.9 × 0.3 = 答案:1.77 (22)9 × 9 = 答案:81 (23)7.1 × 0.3 = 答案:2.13 (24)9.7 × 2 = 答案:19.4 (25)5.8 × 0.8 = 答案:4.64 (26)1.7 × 6 = 答案:10.2 (27)9.6 × 0.5 = 答案:4.8 (28)1.8 × 4 = 答案:7.2 (29)4.3 × 0.6 = 答案:2.58 (30)1.3 × 9 = 答案:11.7 (31)2.9 × 8 = 答案:23.2 (32)5.6 × 7 = 答案:39.2 (33)5.3 × 0.6 = 答案:3.18 (34)5.4 × 0.7 = 答案:3.78 (35)5.3 × 0.2 = 答案:1.06 (36)8.3 × 2 = 答案:16.6 (37)9.5 × 3 = 答案:28.5 (38)7.3 × 2 = 答案:14.6 (39)2 × 0.5 = 答案:1 (40)5.2 × 0.6 = 答案:3.12 (41)9.7 × 7 = 答案:67.9 (42)6.1 × 8 = 答案:48.8 (43)6.7 × 0.2 = 答案:1.34 (44)8.6 × 6 = 答案:51.6 (45)3.1 × 0.5 = 答案:1.55 (46)8.2 × 6 = 答案:49.2 (47)1.5 × 6 = 答案:9 (48)8.4 × 2 = 答案:16.8 (49)1.3 × 6 = 答案:7.8 (50)8.9 × 0.5 = 答案:4.45 (51)6.7 × 2 = 答案:13.4 (52)5.4 × 6 = 答案:32.4 (53)6.3 × 9 = 答案:56.7 (54)6.4 × 3 = 答案:19.2 (55)8.5 × 0.2 = 答案:1.7 (56)1.5 × 0.5 = 答案:0.75 (57)3 × 0.4 = 答案:1.2 (58)6.8 × 5 = 答案:34 (59)8.7 × 0.3 = 答案:2.61 (60)5.6 × 6 = 答案:33.6 (61)5.5 × 0.7 = 答案:3.85 (62)9.6 × 0.3 = 答案:2.88 (63)9.6 × 7 = 答案:67.2 (64)8.3 × 3 = 答案:24.9 (65)9.5 × 0.5 = 答案:4.75 (66)5.5 × 9 = 答案:49.5 (67)1.9 × 9 = 答案:17.1 (68)2.2 × 7 = 答案:15.4 (69)3.8 × 0.9 = 答案:3.42 (70)1.8 × 0.7 = 答案:1.26 (71)4.6 × 0.2 = 答案:0.92 (72)1.3 × 0.2 = 答案:0.26 (73)4.3 × 0.9 = 答案:3.87 (74)1.4 × 2 = 答案:2.8 (75)7 × 5 = 答案:35 (76)2.5 × 7 = 答案:17.5 (77)6.4 × 0.4 = 答案:2.56 (78)6.3 × 5 = 答案:31.5 (79)3.1 × 4 = 答案:12.4 (80)5.8 × 0.7 = 答案:4.06 (81)1.2 × 8 = 答案:9.6 (82)6.5 × 0.5 = 答案:3.25 (83)3.9 × 0.9 = 答案:3.51 (84)9.3 × 3 = 答案:27.9 (85)2 × 2 = 答案:4 (86)3.7 × 5 = 答案:18.5 (87)1.1 × 3 = 答案:3.3 (88)6.5 × 5 = 答案:32.5 (89)2.7 × 0.8 = 答案:2.16 (90)8.4 × 8 = 答案:67.2 (91)4.2 × 0.8 = 答案:3.36 (92)6.9 × 2 = 答案:13.8 (93)6.6 × 2 = 答案:13.2 (94)9.5 × 0.8 = 答案:7.6 (95)6.6 × 0.7 = 答案:4.62 (96)1.7 × 0.5 = 答案:0.85 (97)6.9 × 9 = 答案:62.1 (98)8.4 × 6 = 答案:50.4 (99)9.4 × 0.5 = 答案:4.7 (100)8.4 × 0.5 = 答案:4.2 (1)5.6 × 8 = 答案:44.8 (2)3.9 × 5 = 答案:19.5 (3)5.4 × 0.4 = 答案:2.16 (4)7.3 × 0.2 = 答案:1.46 (5)9.4 × 8 = 答案:75.2 (6)3.8 × 0.3 = 答案:1.14 (7)8.6 × 0.4 = 答案:3.44 (8)7.3 × 4 = 答案:29.2 (9)4.8 × 0.4 = 答案:1.92 (10)1.3 × 4 = 答案:5.2 (11)7.3 × 8 = 答案:58.4 (12)8 × 4 = 答案:32 (13)3.2 × 6 = 答案:19.2 (14)4.7 × 0.3 = 答案:1.41 (15)4.6 × 0.9 = 答案:4.14 (16)9.9 × 4 = 答案:39.6 (17)8.2 × 0.5 = 答案:4.1 (18)8.2 × 0.5 = 答案:4.1 (19)5 × 0.8 = 答案:4 (20)5.7 × 9 = 答案:51.3 (21)3.9 × 5 = 答案:19.5 (22)7.3 × 2 = 答案:14.6 (23)5.3 × 3 = 答案:15.9 (24)6.7 × 0.2 = 答案:1.34 (25)4.3 × 0.5 = 答案:2.15 (26)4.7 × 0.4 = 答案:1.88 (27)2.4 × 5 = 答案:12 (28)7.3 × 0.3 = 答案:2.19 (29)3.8 × 0.9 = 答案:3.42 (30)7.3 × 4 = 答案:29.2 (31)5.1 × 0.7 = 答案:3.57 (32)9.8 × 2 = 答案:19.6 (33)8.3 × 0.7 = 答案:5.81 (34)4.3 × 0.6 = 答案:2.58 (35)9.5 × 0.3 = 答案:2.85 (36)9.9 × 5 = 答案:49.5 (37)3.4 × 2 = 答案:6.8 (38)2.9 × 4 = 答案:11.6 (39)1.1 × 6 = 答案:6.6 (40)2.1 × 5 = 答案:10.5 (41)9.1 × 0.8 = 答案:7.28 (42)9.7 × 0.3 = 答案:2.91 (43)9.6 × 0.5 = 答案:4.8 (44)5.1 × 0.6 = 答案:3.06 (45)5.5 × 8 = 答案:44 (46)9 × 8 = 答案:72 (47)5 × 4 = 答案:20 (48)4.1 × 5 = 答案:20.5 (49)1.4 × 0.3 = 答案:0.42 (50)2.4 × 9 = 答案:21.6 (51)5.1 × 7 = 答案:35.7 (52)7.9 × 5 = 答案:39.5 (53)4.1 × 9 = 答案:36.9 (54)1.6 × 2 = 答案:3.2 (55)6.7 × 0.8 = 答案:5.36 (56)8.9 × 0.7 = 答案:6.23 (57)6.2 × 0.2 = 答案:1.24 (58)2.6 × 7 = 答案:18.2 (59)6.8 × 0.6 = 答案:4.08 (60)5.6 × 9 = 答案:50.4 (61)9.8 × 0.8 = 答案:7.84 (62)9 × 9 = 答案:81 (63)3.8 × 7 = 答案:26.6 (64)2.5 × 6 = 答案:15 (65)1.7 × 5 = 答案:8.5 (66)4.6 × 0.7 = 答案:3.22 (67)8.9 × 3 = 答案:26.7 (68)7.9 × 0.6 = 答案:4.74 (69)6.3 × 4 = 答案:25.2 (70)2.9 × 0.3 = 答案:0.87 (71)4.6 × 8 = 答案:36.8 (72)1.5 × 2 = 答案:3 (73)6.9 × 0.7 = 答案:4.83 (74)5.8 × 6 = 答案:34.8 (75)3.4 × 0.5 = 答案:1.7 (76)1.9 × 2 = 答案:3.8 (77)8.3 × 0.4 = 答案:3.32 (78)7.4 × 6 = 答案:44.4 (79)4.5 × 3 = 答案:13.5 (80)5.9 × 4 = 答案:23.6 (81)8.9 × 0.2 = 答案:1.78 (82)4.9 × 8 = 答案:39.2 (83)7.5 × 2 = 答案:15 (84)1.5 × 7 = 答案:10.5 (85)8.3 × 0.4 = 答案:3.32 (86)6.1 × 0.6 = 答案:3.66 (87)3.7 × 0.5 = 答案:1.85 (88)7.4 × 0.5 = 答案:3.7 (89)1.3 × 0.7 = 答案:0.91 (90)3.5 × 0.7 = 答案:2.45 (91)9.9 × 0.2 = 答案:1.98 (92)2 × 7 = 答案:14 (93)4.4 × 0.8 = 答案:3.52 (94)8.5 × 4 = 答案:34 (95)9.8 × 8 = 答案:78.4 (96)9 × 9 = 答案:81 (97)2.7 × 8 = 答案:21.6 (98)1.6 × 0.3 = 答案:0.48 (99)5.7 × 3 = 答案:17.1 (100)7.5 × 5 = 答案:37.5 1)4.1 × 0.7 = 答案:2.87 (2)3.9 × 5 = 答案:19.5 (3)8.5 × 2 = 答案:17 (4)7.7 × 6 = 答案:46.2 (5)4 × 9 = 答案:36 (6)1.7 × 2 = 答案:3.4 (7)7.9 × 6 = 答案:47.4 (8)4.2 × 0.9 = 答案:3.78 (9)2.6 × 6 = 答案:15.6 (10)9.9 × 8 = 答案:79.2 (11)1.7 × 5 = 答案:8.5 (12)2.4 × 4 = 答案:9.6 (13)6 × 0.4 = 答案:2.4 (14)3.9 × 6 = 答案:23.4 (15)7 × 0.4 = 答案:2.8 (16)7.6 × 0.4 = 答案:3.04 (17)3.9 × 0.7 = 答案:2.73 (18)2.8 × 0.3 = 答案:0.84 (19)3 × 9 = 答案:27 (20)8.1 × 0.3 = 答案:2.43 (21)3.3 × 8 = 答案:26.4 (22)8.1 × 0.7 = 答案:5.67 (23)2.2 × 3 = 答案:6.6 (24)3 × 6 = 答案:18 (25)3.2 × 5 = 答案:16 (26)4.3 × 7 = 答案:30.1 (27)6.7 × 5 = 答案:33.5 (28)2.7 × 0.7 = 答案:1.89 (29)1.4 × 0.9 = 答案:1.26 (30)1.6 × 9 = 答案:14.4 (31)8 × 0.8 = 答案:6.4 (32)5.9 × 2 = 答案:11.8 (33)3.6 × 9 = 答案:32.4 (34)1.4 × 0.6 = 答案:0.84 (35)8.3 × 0.2 = 答案:1.66 (36)7 × 9 = 答案:63 (37)8.7 × 8 = 答案:69.6 (38)2.9 × 3 = 答案:8.7 (39)6.7 × 0.2 = 答案:1.34 (40)1.6 × 0.8 = 答案:1.28 (41)9.6 × 2 = 答案:19.2 (42)5.4 × 5 = 答案:27 (43)5.8 × 0.7 = 答案:4.06 (44)3.7 × 0.2 = 答案:0.74 (45)8.7 × 0.6 = 答案:5.22 (46)2.1 × 0.4 = 答案:0.84 (47)1.6 × 5 = 答案:8 (48)4.6 × 3 = 答案:13.8 (49)9.5 × 0.6 = 答案:5.7 (50)5.6 × 9 = 答案:50.4 (51)5.9 × 0.3 = 答案:1.77 (52)9 × 2 = 答案:18 (53)9 × 4 = 答案:36 (54)4.5 × 3 = 答案:13.5 (55)4.4 × 6 = 答案:26.4 (56)5.5 × 4 = 答案:22 (57)8.6 × 6 = 答案:51.6 (58)6.6 × 0.2 = 答案:1.32 (59)8.7 × 0.6 = 答案:5.22 (60)2.4 × 0.6 = 答案:1.44 (61)2.1 × 0.2 = 答案:0.42 (62)4.4 × 0.8 = 答案:3.52 (63)7.1 × 9 = 答案:63.9 (64)3.8 × 3 = 答案:11.4 (65)8.9 × 7 = 答案:62.3 (66)7.1 × 0.2 = 答案:1.42 (67)3.9 × 0.5 = 答案:1.95 (68)1.6 × 0.7 = 答案:1.12 (69)3.9 × 0.9 = 答案:3.51 (70)7.7 × 2 = 答案:15.4 (71)7 × 0.7 = 答案:4.9 (72)8.3 × 4 = 答案:33.2 (73)5.1 × 0.2 = 答案:1.02 (74)9.2 × 0.8 = 答案:7.36 (75)1.3 × 6 = 答案:7.8 (76)6.8 × 7 = 答案:47.6 (77)2.2 × 3 = 答案:6.6 (78)3.2 × 8 = 答案:25.6 (79)6.8 × 0.2 = 答案:1.36 (80)4.7 × 0.2 = 答案:0.94 (81)6.7 × 9 = 答案:60.3 (82)9.9 × 7 = 答案:69.3 (83)3.3 × 0.2 = 答案:0.66 (84)2.3 × 3 = 答案:6.9 (85)8.3 × 0.5 = 答案:4.15 (86)8.5 × 0.2 = 答案:1.7 (87)1.7 × 0.7 = 答案:1.19 (88)9 × 0.6 = 答案:5.4 (89)9.9 × 5 = 答案:49.5 (90)7.4 × 0.3 = 答案:2.22 (91)7.7 × 2 = 答案:15.4 (92)9.9 × 0.4 = 答案:3.96 (93)5 × 0.2 = 答案:1 (94)8.5 × 5 = 答案:42.5 (95)9.1 × 9 = 答案:81.9 (96)5.6 × 0.5 = 答案:2.8 (97)5 × 8 = 答案:40 (98)3.1 × 0.4 = 答案:1.24 (99)6.8 × 8 = 答案:54.4 (100)1.9 × 0.2 = 答案:0.38总共100道
如下图:
口算是一边心算一边口说地运算。口算就是用脑计算,用口头叙述来记忆当时的结果。这种方法用于速算,常练有助于智力的提高。也成为如今的主流的计算方法,也叫“心算”。
数学教学方法之一。一种只凭思维及语言活动不借任何工具的计算方法。它能培养学生快速的计算,发展学生的注意、记忆和思维能力。口算熟练后有助于笔算,且便于在日常生活中应用。
3.4-1.4=7.82-7.2= 2.19+9.1=
10.1-0.89=0.68+0.42=8.1-5.1=
0.728-0.24= 0.8+0.18= 0.89-0.25=
1-0.98= 0.048+0.52= 5×400=
19.9+11.1= 187÷1000= 1+3.89=
0.081×10= 75÷10=0.96÷0.8=
0.8×7=1.5×7= 1.32×8=
0.7×8=10.3×2=5×0.6=
0.9×0.3=3.5×0.2= 2.01×0=
10×0.05=0.13×7=0.21×100=
0.7×4=0.05×4=4×0.3=430-250= 0.17+0.06=1.02-0.09=
7200÷800= 0.17+0.6= 0.83-0.6=
17×300= 0.98-0.09= 0.2+0.78=
600×700=10.2+0.02=0.15+0.7=
670+250= 10.2+0.2= 9.2-6=
8500÷500= 3.2-3.2=3.7+2.3=
25×100= 3.2-0.32= 2+2.8=
380-290= 0.35+0.5= 0.35+0.63=
3500÷70=3.1+3=3.8+0.38=
7500÷250= 3.8+1=0.95-0.05=
450+780= 3.1+0.3=3+0.3=
630÷9=4.5-0.4= 9.5-5=
330×9=9.53-1.53=9.5-0.5=
3.5+2.4=1-0.95= 0.3+0.27=
0.47+0.13=4.5+4=4-0.6=
0.95+0.05=2.5+3.2=0.74+0.16=
23×100= 9.8-4.8= 480÷40=
0.53÷100= 5.1+2.3= 125×80=
0.078÷10= 0.52+0.4=70×12=
0.25×100= 3.4-2.8=0.6-0.37=
0.052×10= 10+0.08=1-0.75=
0.5×1000= 7.82+0.3=13.5+6.5=
3.05×100= 1.2-0.8= 21.6-12.6=
63÷100= 0.83-0.5=0.76+0.14=
80÷1000=2.7+0.4=0.72-0.43=
30×100= 0.92-0.2=3.5+4.8=
3.5+2.4=5+0.07= 1-0.61=
0.47+0.23=0.25+0.75=3.7+0.33=
0.51+0.33=1-0.6= 8-4.6=
5.8-3.6= 0.52+0.4= 6.45+5.5=
4.5-1.3= 3.4-2.8= 9.53-1.53=
8.8-6.7= 10+0.08=9.5-7.3=
7.2+0.8=7.82+0.3=8.8-6.7=
9.5-7.3= 1-0.95=3.4-2.8=
0.96-0.35= 9.53-1.53= 0.25+0.75=
1.2-0.8= 0.83-0.5= 2.7+0
12.5×8= 2.3×4= 3.25×0=
0.4×50= 30×0.1=2.6×3=
4.1×2=0.35×0.2=7.5×0.1=
2.5×2= 0.5×10=0.6×8= 2.1×2=
2.8×10=0.7×0.8= 0.04×20=5.6+0.4=
4.7+2.3= 4.5×2=6.9-2.5= 7.2×0.8=
6×3.4= 0.62-0.32= 1.4×0.5=0.75×100=
0.02×0.5= 3.6×0.3= 6.3÷7=5.6×100=
0.75÷0.25= 0.125×8= 4.8÷0.3=0.86÷2=
0.56÷28=0.36÷0.4=0.64÷0.8= 0.7×9=
3.6÷24= 0.8×1.1= 7.2+12.8=46.7-3.8=
12.8÷4= 5.2÷13=12.5÷5=1.64+4.1=
10÷20=24÷15= 8.65×10=0.35×0.6=
3.08×0.01=4.95×1000= 6.9×0.1=0.4×0.5=
2.4÷0.8= 10.8÷9=9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1=0.325×100=2.5×8=
0. 56÷0.7=0.125×4=3.28×0.1=3.9÷0.13=
7.2×0.1=0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9.6÷0.8= 5×0.24=4.5-0.05=
3.9÷0.1316.5÷0.5= 5×0.12= 24×0.5=
4.8×0.5=2.8+4.2=0.84÷2.1=5÷0.25=
7.8÷0.01=5.4÷0.6=3.2÷5= 7×0.62=
0.56÷0.8=7.4-2.8= 0.18÷0.2= 0.16÷8=
4.5×0.02=8+7.2=1.2×30= 0.012×0.2=
7.3×0.3=0÷6=3.6÷0.12=7.8÷0.6=
2÷5=4.5+5=0.3÷0.6=0.96÷0.2=
10.5×0.4=7.3+0.27= 8×0.125=0.54÷0.6=
0.61+0.39= 0.56÷28=10÷20= 4.08÷0.4=
10-9.4= 0.8×0.11=7.2+12.8=5.6÷0.01=
2.3×100=0.75×100=0.108÷2= 10.8÷9=
7.8÷0.01=5.4÷0.6=3÷5= 7×0.62=
12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=
0.41+3.7= 0.02×0.5= 7.2-0.8=1.4×0.5=
84÷0.21=0.75÷0.25= 2.5×16= 0.108÷2=
1.75+32.5=16-5.07= 5.2÷13= 1.64÷41=
1.02×0.2= 0.26×0.3= 8.4×0.02=1.2×6=
0.8×0.05= 12.6÷0.03=8.71÷0.1=21÷0.21=
0.8×0.13= 0.34÷17=8.08÷0.4= 0.5×2.2=
1.24×4=3.27+0.63= 5.02×0.3=0.3×0.5=
5.6÷7= 72÷ 7.2= 0.7÷0.35=0.7÷1.4
0.48÷0.04=1.25÷2.5=5.5+5.5=16.8÷8=
0.54+2.2= 3.5-0.05= 2÷0.02= 0.25×40=
1.5×0.6=0.32÷0.8= 12.25÷0.5= 73.5×0.1=
46.5+52.5= 0.45×102= 1.25×88= 2.64+3.85+1.54=
8×1.25=7÷3.5=4.2÷0.7÷6= 0.4×8.6×25=
0.27÷0.3= 2.5×101=0.65×101-0.65= 2.6×7÷2.6×7=
0.02×0.5= 3.6×0.3= 6.3÷7=5.6×100=
7.8÷0.01= 5.4÷0.6=3.2÷5= 7×0.62=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
2.5×2=0.5×10=0.6×8= 2.1×2=
0.61+0.39=0.56÷28=10÷20= 4.08÷0.4=
1.2×0.3 = 6.6÷1.1 =4.9÷7= 0÷0.48=
以上就是5年级下册数学口算题的全部内容,小学下册口算题:1、45+15×6= 135 2、250÷5×8=400 3、6×5÷2×4=60 4、30×3+8=98 5、400÷4+20×5= 200 6、10+12÷3+20=34 7、(80÷20+80)÷4=21 8、70+(100-10×5)=120 9、。