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计算下面各题.(能简算的要简算)①36×(59-512)②56×0.18+18%×44③4-

2022-08-14 02:42:47 问答库 阅读 200 次

问题详情

计算下面各题.(能简算的要简算)
①36×(5

9

-5

12

)②56×0.18+18%×44③4-4×(5

12

+3

8

)

④14÷7

5

×5

7

⑤3÷3

4

-3

4

÷3⑥(1

4

+2

5

)÷13

15

参考答案

①36×(59-512)
=36×59-36×512,
=20-15,
=5;

②56×0.18+18%×44
=56×0.18+0.18×44,
=(56+44)×0.18,
=100×0.18,
=18;

③4-4×(512+38)
=4-4×1924,
=4-316,
=56;

④14÷75×57
=14×57×57,
=717;

⑤3÷34-34÷3
=3×43-34×13,
=4-14,
=334;

⑥(14+25)÷1315
=1320×1513,
=34.

考点: