五年级下学期数学题?11、五年级两个班的学生采集树种,一班45人,每人采集0.13千克。二班共采集6.15千克。两班一共采集多少千克?12、一间教室要用方砖铺地。用面积是0.16平方米的方砖需要270块,如果改用边长是0.3米的方砖,那么,五年级下学期数学题?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 =野纯 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 = 答颂羡咐案: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 = 答派告案: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
下面是为您整理的五年级数学下学期期末试卷(带答案),供您参考!
五年级数学下学期期末试卷(带答案)
一、认真读题,仔细填空(22分,1~14题每空0.5分,15题每空1分)
袜隐1、0.36里面有( )个百分之一,化成分数是( )。
2、红气球是气球总数的 ,这是把( )看作单位“1”,把它平均分成( )份,红气球占( )份。
3、 的分数单位是( ),再添上( )个这样的分数单位就等于最小的质数。
4、在工程上,1m3的沙石、土等均简称为( )。
5、 = = =12÷( )=( )(填小数)
6、12和15的最大公因数是( ),最小公倍数是( )。
7、一袋饼干2千克,吃了这袋饼干的 ,还剩下这袋饼干的( ),若吃了 千克,还剩下( )千克。
8、在 , , , ,0.625五个数中,最大的数是( ),最小的数是( ),( )和( )相等。
9、3 是( )分数,读作( )。
10、把3米长的木条平均锯成5段,每段长( )米,每段木条占全长的( )。
11、一组数据12,14,12,12,16,14,这组数据的中位数是( ),众数是( ),用( )数反映这组数据的集中趋势更合适。
1、一个工厂制造一台机器原来需要144时,改进技术后,制造一台机器可以少用48时,原来制造60台机器的时间现在可以制造多少台?
2、小亮买本子比买铅笔多花0.5元。买了3支铅笔,每支铅笔0.15元,买了5个本子,每个本子多少元?(列方程解)
3、小明和小芳同院,小芳上学每分走50米,12分到学校。小明上学每分比小芳多走10米,小明几分到学校?
4、一块梯形地上底长220米,下底长340米,高是57.5米,共收油籽3542千。平均每公顷产油籽多少千克?
甲、乙两辆汽车分别从A、B两地相对开出,2.5时后相遇,相遇时,乙车行了105千米,相遇后继续行驶。甲、乙两车分别到达B、A两地后,马上往回开,第二次相遇时,乙车离李雹悔A地90千米,求A、B两地的路程。
1.3台拖拉机3.4小时耕地25.5公顷。平均每台拖拉机每小时耕地多少公顷?(用两种方法)(8分)
2.4.3千克苹果售价21.5元,2千克橙售价16元。橙的单价是苹果单价的几倍?(4分)
1. 一支钢笔售价8.5元,3支圆珠笔售价16.5元。一支圆珠笔比一支铅笔便宜多少钱?
2. 王大妈买回400克冬虫夏草,分装在小袋里。如果每小袋装30克。
1:体育用品有90个乒乓球,如果每两个装一盒,能正好装完吗?如果每五个装一盒,能正好装完吗?为什么?
90#2=45盒
90#5=18盒
答:如果每两个装一盒,能正好装完如果每五个装一盒,也能正好装完。因为90能整除五。
2:体育店有57个皮球,每三个装在一个盒子里,能正好装完吗?
57#3+19盒
答:能正好装完。
3:甲,乙两个人打打一份10000字的文件,甲每分打115个字,乙每分钟打135个字,几分钟可以打完?
10000#(115+135)=40分
答:40分钟可以打完。
4:五年级同学植树,13或14人一组都正好分完,五年级参加植树的同学至少有多少人?
13X14=192人
答:五年级参加植树的人至少有192人.
下面几道题目虽然属于应用题,但跟方程有关.我都是用方程解答的.
5:两辆汽车从一个地方相背而行.一车每小时行31千米,一车每小时行44千米.经过多少分钟后两车相距300千米?
方程:
解:两车X时后相遇.
31X+44X=300
75X=300
X=4
4小时=240分钟
答:经过240分钟后两车相距300千米.
6:两个工程队要共同挖通一条长119米的隧道,两队从两头分别施工.甲队每天挖4米,乙队每天挖3米,经过多少天能把隧道挖通?
解:设X天后挖通隧道
3X+4X=119
7X=119
X=17
答:经过17天挖通隧道.
7:学校合唱队和舞蹈队共有140人,合唱队的人数是舞蹈队的6倍,舞蹈队有多少亏灶人?
解:设舞蹈队有X人
6X+X=140
7X=140
X=20人
答:舞蹈队有20人.
从这里开始不是方程题了.
8:兄弟两个人同时从家里到体育馆,路长1300米.哥哥每分步行80米,弟弟骑自行车以每分180米的速度到体育馆后立刻返回,途中与哥哥相遇,这时哥哥走了几分钟?
1300X2=2600米 2600#(180+80)
=2600#260
=10分
答:这时哥哥走了10分钟.
9::六一儿童节,王老师买了360块饼干,480块糖,400个水果,制作精美小礼包,分给小朋友作为礼物,至多可做几个小礼包?
360+480+400=1240个
答:至多可做1240个小礼包.
10:淘气买了40个气球,请同学来家比吹气球.为了能把气球平分,淘气应该请几个同学来比吹气球?淘气不参加.
40#2=20人 40#4=10人 40#5=8人
40#8=5人 40#@0=4人 40#20=2人
答:请同学的方法有6种,分别是:20人,10人,5人,8人,4人,2人.
11:一块梯形的玉米地,上底15米,下底24米,高18米.每平方米平均种玉米9株,这块地一共可种多少株玉米?
(15+24)X18#2=351平方米
351X9=3195株
答:这块地可种玉米3159株.
12:某班学生人数在100人以内,列队时,每排5人,4人,3人都刚好多一人,这班有多少人?
5X4X3=60人 60+1=61人
答:这班有61人.
13:王月有一盒巧克力糖,每次7粒,5粒,3粒的数都余1粒,这盒巧克力糖至少有多少粒?
7X5X3=105粒 105+1=106粒
答:这盒巧克力糖至少有106粒.
14:晨光小区有一段长15米,宽1.2米的长方形甬道要铺方砖.设计师准备了边长是30厘米的方砖,请你算一算:需要几块这样的方砖?如果每块方砖3元,那么铺这段甬道需要多少元?
15米=150分米 1.2米=12分米 30厘米=3分米
150X12=1800平方分米 3X3=9平方分米
1800#9=200块 200X3=600元
答:需要200块这样的方砖,需要600元.
15:有两块面积相等的平行四边形实验田,一块底边长70米,高45米,另毕拆一块底边长90米,高是多少米手空枣?
70X45=3150平方米 3150#90=35米
答:高是35米.
16:一批钢管叠成一堆,最下层有10根,每上1层少放1根,最上1层放了5根.这批钢管有多少根?
10-5+1=6层 (10+5)X6#2
=15X6#2
=90#2
=45根
答:这批钢管有45根.
1.东高村要修建一个长方体的蓄水池,计划能蓄水720吨。
17×40=680, 100-63=37, 3.2+1.68=4.88, 2.8×0.4= 1.12
14-7.4=6.6, 1.92÷0.04=散碰48, 0.32×500=160, 0.65+4.35= 5
10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44
0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2
1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/冲锋谈4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4= 0.64
4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38
1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)
2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
3.8+2-8+2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2×3/5
14.3.375+5.75+2.25+6.625
15.1001-9036÷18
16.3.8×5.25+14.5
17.2.1*4.3+5.7*2.1
18.30×1/3
19.102*45-328
20.2/3×12
21.2.8*3.1+17.6/8
22.3/5×5/6
23.(50-12.5)/2.5
24.2/5×1/3
25.6110*47+639
26.1/2-1/6
27.3.5*2.7-52.2/基搏18
28.1/7×1/5
29.3.375*0.97+0.97*6.625
30.25×4/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95.6*1.8+95.6*8.2
34.1/2×1/5
35.600-420/12
36.344/3.6-5.4*0.25
37.16/2+30/2+90/6
38.3001-1998.
39.5000-105*34
40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4)*4
43.300-4263/21
44.0.81/0.25+5.96
45.403÷13×27
46.1.5×4.2-0.75÷0.25
47.3.27×4 +3.27×5.7
48.(1.2+ 1.8)×4.51025-768÷32
49.0.25×80-0.45÷0.9
50.1025-768÷32
51.0.25*2.69*4
52.2348+275*16
53.2/9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76*1/4+23*25/100+0.25
59.10-2.87-7.13
60.0.96+9.6*9.9
61.7.5-5.7*1/3
62.12.37-3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.31-1.125-7.875
68.640+128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
123+25=148 123-35=88 56×7=392 135÷5=27
248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...
456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...
879+54=933 ...896-546=350 ...56×12=672.... 45-5=9...
457+456=913...
脱式计算
30.8÷[14-(9.85+1.07)]
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
19.4×6.1×2.3
5.67×0.2-0.62
18.1×0.92+3.93
0.0430.24+0.875
0.4×0.7×0.25
0.75×102 100-56.23
0.78+5.436+1
4.07×0.86+9.12.5
30.8÷[14-(9.85+1.07)]
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
19.4×6.1×2.3 5.67×0.2-0.62
18.1×0.92+3.93 0.0430.24+0.875
0.4×0.7×0.25 0.75×102 100-56.23
0.78+5.436+1 4.07×0.86+9.12.5
简算
是乘号 /是除号
0.3*2.5*0.4
50*0.13*0.2
0.8*630*0.125
0.78*101
1.5*102
9.8*25
1.2*2.5+0.8*2.5
1.25*0.7*0.8
0.038*5*2.1
3.8+4.5+6.2
93/0.31/3
3.25-0.84-0.16
88*0.25*4
2.8*3.6+1.4*2.8
63*10.1
(3.2+0.128)/0.8
9.83*1.5+6.17*1.5
10.1*87
312*4+188*4
0.135*500*0.2
6.3+0.84+3.7+8.16
18.75-0.43-4.57
0.25*0.03*4
13.7*0.25*8
2.65*1.7+1.35*1.7
32.8+5.6+7.2
(2.5+0.25)*0.4
8*(2.5*0.25)
8.4*0.2+1.6*0.2
1.25*0.8*0.5
(1.5+0.25)*0.4
1.2*0.4+1.3*0.4
方程
9+6x=14
x+9x=4+7
2x+9=17
8-4x=6
6x-7=12
7x-9=8
x-56=1
8-7x=1
x-30=12
6x-21=21
6x-3=6
9x=18
4x-18=13
5x+9=11
6-2x=11
x+4+8=23
7x-12=8
X-5.7=2.15
15 5X-2X=18
3X 0.7=5
x+13=33
3 - 5x=80
1.8 +6x=54
6.7x -60.3=6.7
9 +4x =40
2x+8=16
3.5×2= 4.2 x
26×1.5= 2x
0.5×16―16×0.2=4x
9.25-X=0.403
16.9÷X=0.3
X÷0.5=2.6
3-5x=80
1.8-6x=54
6.7x-60.3=6.7
9 +4x=40
0.2x-0.4+0.5=3.7
9.4x-0.4x=16.2
12-4x=20
1/3x+5/6x=1.4
12x+34x=1
18x-14x=12
23 x-5×14=14
12+34x=56
22-14x=12
23x-14x=14
x+14x=65
23x=14x+14
30x12x-14x=1
x-0.7x=3.6
应用题
一、小数一步加、减法应用题
1、一本数学读物6.25元,一本语文读物5.86元。
以上就是五年级下学期数学题的全部内容,1.26÷18 5.98÷0.26 1.89÷3.5 30.1÷33 13÷11 四、计算下面各题。(共 16 分)43.5÷2.9×3.6 20.4÷24÷2.5 3.64÷52+8.13 8.56-1.36÷16 五、解决问题。