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47×[15×(13-310)+78]=18÷67-(14+27)×911=(1+57+12

2022-08-14 02:46:48 问答库 阅读 200 次

问题详情

4

7

×[15×(1

3

-3

10

)+7

8

]=18÷6

7

-(1

4

+2

7

)×9

11

=

(1+5

7

+1

2

÷3

4

)×2

7

=(3

50

×101-3

50

)÷(150+30÷1

15

)=

3

4

÷[(1

16

+1

20

)×(1÷3

20

)]=

1

5

÷2

3

×5

24

÷7

12

=

参考答案

(1)47×[15×(13-310)+78],
=47×[15×130+78],
=47×[12+78],
=47×118,
=1114;

(2)18÷67-(14+27)×911,
=18÷67-1528×911,
=21-135308,
=20173308;

(3)(1+57+12÷34)×27,
=(1+57+23)×27,
=5021×27,
=100147;

(4)(350×101-350)÷(150+30÷115),
=(101-1)×350÷(150+450),
=6+600,
=606;

(5)34÷[(116+120)×(1÷320)],
=34÷[980×203],
=34÷34,
=1;

(6)15÷23×524÷712,
=310×524÷712,
=116÷712,
=328.

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