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下面各题怎样算简便就怎样算.12÷(13+34)59÷126+49×26917×(51+17

2022-08-14 02:55:47 问答库 阅读 200 次

问题详情

下面各题怎样算简便就怎样算.
12÷(1

3

+3

4

)

5

9

÷1

26

+4

9

×26

9

17

×(51+17

27

)-17

27

(2-9

10

÷3

5

)÷5

6

16

7

-1

3

÷7

12

-2

7

(1

2

×6+5

6

÷2

7

)÷1

10

参考答案

(1)12÷(13+34)
=12÷1312
=11113;

(2)59÷126+49×26
=(59+49)×26
=1×26
=26;

(3)917×(51+1727)-1727
=917×51+917×1727-1727
=27+13-1727
=2713-1727
=26827;

(4)(2-910÷35)÷56
=(2-112)÷56
=12÷56
=35;

(5)167-13÷712-27
=167-(47+27)
=167-67
=1;

(6)(12×6+56÷27)÷110
=(3+21112)÷110
=51112÷110
=5916.

考点: