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下面各题 怎样计算简便就怎样算.95.6×108-95.6×8(8.1-8.1×56)÷94

2022-08-14 02:46:54 问答库 阅读 200 次

问题详情

下面各题,怎样计算简便就怎样算.
95.6×108-95.6×8(8.1-8.1×5

6

)÷9

4

14

5

-(2.8-5

7

)+2

7

9.4×1

4

+0.25×3

5

3

7

-[19

5

-(14

5

+4

7

)]

3

5

÷[(1

5

+1

3

)÷2

9

].

参考答案

(1)95.6×108-95.6×8
=95.6×(108-8)
=95.6×100
=9560;

(2)(8.1-8.1×56)÷94
=[8.1×(1-56)]÷94
=[8.1×16]÷94
=1.35÷94
=0.6;

(3)145-(2.8-57)+27
=145-2.8+57+27
=(145-2.8)+(57+27)
=0+1
=1;

(4)9.4×14+0.25×35
=9.4×0.25+0.25×35
=(9.4+35)×0.25
=10×0.25
=2.5;

(5)37-[195-(145+47)]
=37-[195-145-47]
=37-[1-47]
=37-37
=0;

(6)35÷[(15+13)÷29]
=35÷[815÷29]
=35÷125
=14.

考点: