六年级数学上册口算?1、十几乘十几:口诀:头乘头,尾加尾,尾乘尾。例:12×14=?解:1×1=1 2+4=6 2×4=8 12×14=168 注:个位相乘,不够两位数要用0占位。2.头相同,尾互补(尾相加等于10):口诀:一个头加1后,头乘头,那么,六年级数学上册口算?一起来了解一下吧。
六年级数学上册第三单元测试口算卷
班别: 姓名:成绩:共错()题
× = × =0× = ÷ =
÷4= × = 5÷ =÷ =
16 ÷23 = 34 ÷18 =13 -16 = 14 +34 =
1÷34 =15 ×19 =45 ×34 =23 ×94 =
45 ×14 = 37 ×710 = 0.9-910 =10-34 -14 =
23 ×12= 14×37 =12 +14 = 23 ×58 =
49 ×19 = 35 ×15=13 ×18 =511 ÷611 =
710 ×127 =1.25×16×8=13 ÷18 =(14 +13 )×4=
12 -13 =716 ×167 =1635 ÷47 =518 ÷1227 =
14 ÷14 =15÷35 =720 ÷1415 =8×916 -916 =
47 ÷114 =23 ÷415 =56 ×4÷15 =(12 +0.5)×(12 -0.5)=
( + )×24=24.06+0.4= = ( )×30=
×25= ×6=2.8×25+12×2.5=
12.5×32×2.5=5- = 45×101=
59 ×6=270÷18=1.25-0.25+0.75=× ÷ × =
18×( + + )=5.28―(0.28+0.2)= + =7÷1.4=
72.8÷0.8=0.77+0.33=( + )×12= ÷0.6=
1.25× ×8=10-0.9= 8.2+0.54+0.46= - =
- + =× =26.26÷26= 4.57+6.43=
7.9×11-7.9= × = × =0× =
2008年下期六年级口算测试题
班级姓名 记分
× = × =0× = ÷ =
÷4= × = 5÷ =÷ = ÷ =
×2= ×13= × =÷3= 36× =
÷ =5÷6= ÷5=×18=÷ =
26× = ×2=× = ÷ =24÷ =
× = + = × = ÷8= + =
×15= + =× = 14× =1÷ =
÷4= 3-1.95= - =÷ = ×27=
×3= - = ×8= +3= 6÷ =
0÷ = 6.3÷0.07=26× =÷ =125×8=
6× =× =× =+6= × =
×4= 0.5- =× =100÷ =88÷ =
+ =4× =12÷ =25×4=10÷ =
÷4=× =×60=× =12÷ =
×8= ×11=10÷ =× =÷ =
× = × =0× =6÷0.5=8.4÷4.2=
5× = × = ÷2=× =5- =
÷1= 12÷ = 1÷ =× =28÷ =
0× =× =- =× =24×5=
÷ = × = - =1- = 9÷ =
六年级口算测试
班级:姓名: 学号: 成绩:
636-198=3.6÷0.36=7÷14= 1- + = 1+ =
1× = 1÷ =1- = 37×5=9-0.9=
( + )×24= 72×0.4= 72÷0.4= 24× = 0.2- =
1+ × = 25×24= 4.2÷0.2=12-0.2=1.25×8=
27+68=910-540=18×40=910÷70= 78-0.98=
3÷8=10÷0.1=0.8×12.5= 8.1÷0.03=1.5×0.5=
10÷0.5=0.5÷10= 410-210= + =7÷1.4=
72.8÷0.8=0.77+0.33=( + )×12= ÷0.6=1.25× ×8=
10-0.9= 8.2+0.54+0.46= - = - + =× =
26.26÷26= 4.57+6.43=7.9×11-7.9= 3.14×32=3+ -3+ =
10.1×30= 2÷0.2-2= × =1.8×4×0.5= 1.5-1.5×0.2=
578+216=85.2-3.25= 3.2- = ×81=+ =
2 ×2=0.99×9+0.99=× =1 ×8+1 ×2=82.5-3.25=
÷7=3005-899= 7.25+2.75= 9.8÷98= 0.125×9×8 =
= 5- = × = 2- ×2=12 - 16 =
+ = + =12- =× =
0.7公顷=()平方米 4700毫升=()立方分米341-103=
2吨50千克=()吨 1.2小时=( )时( )分13×(2+713 )
24.06+0.4= = ( )×30= ×25=
×6=2.8×25+12×2.5= 12.5×32×2.5=5- =
45×101= 59 ×6=270÷18=1.25-0.25+0.75=
1÷4/5= 7/10÷1= 1/9÷5=
1/2÷2/3= 3/8÷5/8 = 9÷3/4 =
2/7÷2/7 = 6÷1/6= 3/5÷1/3=
1/3÷1/4= 2/5÷5= 5/12÷1/3=
1÷10/11= 5/12÷1/8 = 9/10÷3/4=
2/9÷3/18= 1/4÷3= 12/13÷26=
19/6÷3/2= 2/3÷7/2= 6/7÷14/2=
16/7÷21/4= 29/3÷6= 4/3÷7=
9\4÷8= 3/12÷2/9= 1/6÷2/9=
6÷ 1/4 = 20÷ 1/4= 1/4÷5 =
1÷3/5= 5/10÷1= 1/8÷5=
1/2÷1/3= 3/8÷7/8 = 9÷3/5 =
2/7÷2/5 = 6÷1/2= 3/5÷1/4=
1/3÷1/3= 2/5÷1/5= 5/12÷1/6=
1÷1/15= 5/12÷1/7 = 9/10÷3/2=
2/9÷3/12= 1/4÷1/2= 12/14÷26=
19/6÷1/2= 2/3÷1/2= 6/7÷1/2=
16/7÷1/4= 29/3÷1/6= 1/3÷7=
1\4÷8= 3/8÷2/9= 1/6÷4/9=
6÷ 1/4 = 20÷ 1/4= 1/4÷/5 =
1/2÷4/5= 7/10÷1/5= 2/9÷5=
1/2÷1/3= 3/8÷1/8 = 9÷1/4 =
2/7÷1/7 = 6÷5/6= 3/5÷2/3=
1/3÷3/4= 2/5÷1/5= 5/12÷1/13=
1÷9/11= 5/12÷7/8 = 9/10÷1/4=
2/9÷5/18= 1/4÷2/3= 12/13÷1/5=
19/6÷3/12= 2/3÷7/12= 6/7÷1/12=
16/7÷1/24= 1/3÷6= 4/13÷7=
3/4÷8= 3/8÷1/9= 1/6÷2/7=
6÷ 1/12 = 20÷ 1/5= 1/4÷1/5 =
794-198= 68×25= 6756-193-207=
72×125= 97×360+3×360=
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/115/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
4/5×5/8 = 7/9×9/7 =
2.64+3.6= 2.4×50= 3500÷70= 2050-298= 2+7÷9= 0.3÷3%= 81.2-11÷7-×3= 6696÷62-6.5×10.6 =
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*2.7-52.2/18
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) 1/2+1/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
1、1.2×3=
5、2-0.8=
9、10.7-5.7=
13、0.52+0.08=
17、2÷5=
21、8×0.03
25、0.01×100=
25、30×0.01=
29、0×1.22=
40、0.6×5=
43、1.2-0.9=
6、0.54÷0.6=
10、0.26×0.3=
14、1÷0.05=
18、20×0.4=
26、2.8+10.2=
34、7-0.9=
58、0.55+0.3=
38、0.8+0.2=
41、16÷0.4=
44、0.14×5=
19、2.5×4=
31、15.3-10=
35、3.3+7=
39、6÷10=
45、0.86+2.14=
8、0.37+4=
16、3.2÷0.8=
20、0.45+0.55=
24、6.4÷8=
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*2.7-52.2/18
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)
1/2+1/3
2/1-5/4
9\3*3\9
3/4+5/4=? 4/5+6/5=? 5/6+6/7=?
1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
嘻嘻
口算题
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=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= 1/4
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
计算题
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
六年级上册数学简便例子演示17×62+62×63
解题思路:四则运算规则(按顺序计算,先算乘除后算加减,有括号先算括号,有乘方先算乘方)即脱式运算(递等式计算)需在该原则前提下进行
解题过程:
17×62+62×63
=(17+63)×62
=80×62
=4960
扩展资料【竖式计算-计算结果】:先将两乘数末位对齐,然后分别使用第二个乘数,由末位起对每一位数依次乘上一个乘数,最后将所计算结果累加即为乘积,如果乘数为小数可先将其扩大相应的倍数,最后乘积在缩小相应的倍数;
解题过程:
步骤一:2×80=160
步骤二:6×80=4800
根据以上计算结果相加为4960
存疑请追问,满意请采纳
1.甲乙共有前2000元,甲把它的一半给乙,然后乙把它的1/3再给甲,之后甲把它的1/4给乙,这时乙比甲多650元,问最初两人各有多少元?
2.欢欢和欣欣都爱好集邮,他们各有邮票若干长,欢欢拿出1/6给欣欣后,欣欣拿出1/5给欢欢,这时她们各有240张。原来她们各有邮票多少张?
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4.公园买来三种树苗。其中松树占总数的30%,杨树与柳树的比是2:5,已知柳树比松树多40棵,一共买来多少树苗?
5.甲乙丙三个村合修一条长1000千米的水渠,修成后受益面积。甲与丙村的比是3:1,乙村的3/4等于甲村的2/3。各村按受益面积分配。各应修多少千米?
6.我校有学生840人。其中4、5、6年级占总数的2/3.已知四与六年级人数的比是3:5。五年级的3/4等于四年级的2/3。四年级有多少人?
7.一套桌椅共300元,椅子的价钱比桌子少十一分之七,桌椅各多少元?
8.一件工作,计划10天完成,实际8天完成,工作时间缩短了几分之几?工作效率提高了几分之几?
9.果园里西红柿获得丰收,摘下全部的3/8时,装满了若干筐还多24千克,摘完其余部分时,又刚好装满6筐。
以上就是六年级数学上册口算的全部内容,口算:1+20%=120 脱式: 3.14*4/2 =12.56/2 =6.28 简算: 20%*2+20%*5 =20%*(2+5)=20%*7 =140 应用:一张圆桌子半径是2米周长和面积分别是多少?。