A-A+

计算下列各题 能简算的要简算.96×45-36÷54+45×4049÷[(13-19)×2]

2022-08-14 02:23:18 问答库 阅读 200 次

问题详情

计算下列各题,能简算的要简算.
96×4

5

-36÷5

4

+4

5

×404

9

÷[(1

3

-1

9

)×2]3

5

×25%+3

5

×3

4

3

4

+7

9

+1

4

-4

9

2

7

×5

9

+2

7

÷9

4

(11

12

-3

7

)-(4

7

-7

12

)

参考答案

96×45-36÷54+45×40,
=96×45-36×45+45×40,
=(96-36+40)×45
=100×45
=80;

49÷[(13-19)×2],
=49÷[(39-19)×2],
=49÷[29×2],
=49÷49
=1;

35×25%+35×34
=(25%+34)×35
=(14+34)×35
=1×35
=35

34+79+14-49
=(34+14)+(79-49),
=1+13
=113

27×59+27÷94
=27×59+27×49
=(59+49)×27
=1×27
=27

1112-37)-(47-712),
=1112-37-47+712
=(1112+712)-(37+47),
=32-1,
=12

考点: