A-A+

计算.(能简算的要用简便方法计算.) 512×725×31479÷12÷3536114×(7

2022-08-14 02:35:32 问答库 阅读 200 次

问题详情

计算.(能简算的要用简便方法计算.)

5

12

×7

25

×3

14

7

9

÷1

2

÷35

36

1

14

×(7

8

+7)

3

5

×8

9

÷5

8

5

6

×1

4

+5

6

×3

4

96×4

5

-36÷5

4

+4

5

×40

4

9

÷[(1

3

-1

9

)×2]

3

4

+7

9

+1

4

-4

9

2

7

×5

9

÷2

7

×5

9

(11

12

-3

7

)-(4

7

-7

12

)

3

5

×0.25+3

5

×3

4

参考答案

(1)512×725×314,
=760×314,
=140;

(2)79÷12÷3536,
=149×3635,
=85;

(3)114×(78+7),
=114×78+7×114,
=116+12,
=916;

(4)35×89÷58,
=815×85,
=6475;

(5)56×14+56×34,
=56×(14+34),
=56×1,
=56;

(6)96×45-36÷54+45×40,
=96×45-36×45+45×40,
=(96-36+40)×45,
=100×45,
=80;

(7)49÷[(13-19)×2],
=49÷[29×2],
=49÷49,
=1;

(8)34+79+14-49,
=(34+14)+(79-49),
=1+13,
=113;

(9)27×59÷27×59,
=27×59×72×59,
=(27×72)×(59×59),
=1×2581,
=2581;

(10)(1112-37)-(47-712),
=1112-37-47+712,
=(1112+712)-(37+47),
=32-1,
=12;

(11)35×0.25+35×34,
=35×(0.25+34),
=35×1,
=35.

考点:方法