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计算下面各题.(能简算的要简算)43×512+53×512(532×1516)÷151638

2022-08-14 02:35:08 问答库 阅读 200 次

问题详情

计算下面各题.(能简算的要简算)
4

3

×5

12

+5

3

×5

12

(5

32

×15

16

)÷15

16

3

8

×3

4

+5

8

×75%

(1+25%)÷(1-25%)5×4

3

+1

3

41

3

÷65%×41

3

×65%

参考答案


(1)43×512+53×512,
=(43+53)×512,
=3×512,
=54;

(2)(532×1516)÷1516,
=(532×1516)×1615,
=532×(1516×1615),
=532×1,
=532;

(3)38×34+58×75%,
=38×0.75+58×0.75,
=(38+58)×0.75,
=1×0.75,
=0.75;

(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=53;

(5)5×43+13,
=203+13,
=7;

(6)413÷65%×413×65%,
=(413×413)×(65%÷65%),
=1699×1,
=1699.

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