五六年级数学计算题100道及答案.pdfVIP

五六年级数学计算题100道及答案

7/25×4/9+7/25×5/9

=7/25×(4/9+5/9)

=7/25×1

=7/25

60×(1/12+1/15+1/4)

=60×1/12+60×1/15+60×1/4

=5+4+15

=24

(5/12-3/8)×72

=5/12×72-3/8×72

=30-27

=3

6/7-5/24÷7/12

=6/7-5/24×12/7

=12/14-5/14

=7/14

=1/2

[3/4×(7/16-1/4)]÷9/13

=3/4×（7/16-4/16）×13/9

=1/4×3/16×13/3

=13/64

2/3-7/8+1/3

=(2/3+1/3)-7/8

=1-7/8

=1/8

5/6-(3/7-1/6)

=(5/6+1/6)-3/7

=1-3/7

=4/7

1-1/3-2/3

=1-(1/3+2/3)

=1-1

=0

1+3/5-1/10

=1+6/10-1/10

=1+1/2

=1又1/2

3/8-12/13+5/8

=3/8+5/8-12/13

=1-12/13

=1/13

1-(1/2-3/4)

=1+3/4-2/4

=1+1/4

=5/4

1-1/2-1/4

=1/2-1/4

=2/4-1/4

=1/4

2/7-8/9+5/7

=(2/7+5/7)-8/9

=1-8/9

=1/9

2-1/4-3/4

=2-(1/4+3/4)

=2-1

=1

1/2-(3/8-1/2)

=1/2+1/2-3/4

=1-3/8

=5/8

2.64×1.7-2.64×0.7

=2.64×(1.7-0.7)

=2.64×1

=2.64

31.5×1.07-3.15×0.7

=3.15×10.7-3.15×0.7

=3.15×(10.7-0.7)

=3.15×10

=31.5

2.7×5.7-2.7+5.3×2.7

=2.7×(5.7-1+5.3)

=2.7×10

=27

0.625÷0.125×0.8

=(0.625×0.8)×8÷(0.125×8)

=0.5×8÷1

=4

18.6×6.1+3.9×18.6

=18.6×(6.1+3.9)

=18.6×10

=186

11*25-68

22*36*82

98*36-14

39+68*120

55*108

92*72/3*2

9.85*2.36

3.875*2.3

36.9*25-6+99

39*28/21

98*63.5-2.65

(25%-695%-12%)*36

3/4*3/5+3/4*2/5

(1-1/4+8/9)/7/9

2/3+1/6/3/24+2/21

1*8/15*3/5

10-3/4/9/10-1/6

[(1/3+1/2)/5/6-1/3]/1/7

2/3/5+3/5/2+3/4

1/[(2-2/3/1/2)]*2/5

3^2*3.25678

3^3-5

4^2-34%

3.25-315%

7^3+445%

12+5268.32-2569

123+456-52*8

45%+6325

1/2+1/3+1/4

789+456-78

45%+54%-36%

92*88-63

92-60.8-25/5

87-14*26

28-65*92

33*26*87.95

72/3*6.8/2

333-56*29*3

三、计算题：28%

1.

求长方体的表面积和体积（单位：分米）4%

a=8

b=5

c=4

2.

脱式计算（能简算要简算）12%

6/7＋2/15＋1/7＋

13/15

19/21＋5/7－3/14

2/3＋5/9－2/3＋5/9

8/9－（1/4－1/9）－

3/4

3.

求最下列每组数的最大公约数与最小公倍数

4%

24

和36

18、24和40（只求最小公倍数）

4.

文字题

6%

5/9与7/18的和，再减去1/2，结果是多少？

一个数减去7/15与7/30的差，结果是2/3，这个数是多少？（用

方程解）

四、作图题

4%

请你用画阴影的方法表示1/2（至少5种）

五、应用题：30%

1.

一块地，其中1/5种玉米，1/6种青菜，其余种西瓜。种西瓜的面积

占这块地的几分之几？

2.

某班男生24人