A-A+

怎样简便就怎样计算.119-(29+713)    91-10÷0.25÷457×911+2

2022-08-14 02:46:22 问答库 阅读 200 次

问题详情

怎样简便就怎样计算.

11

9

-(2

9

+7

13

)    91-10÷0.25÷4

5

7

×9

11

+2

11

÷7

5

35÷[7

8

×(1-2

7

)]

41×1015×1

3

×2

5

×3

10

8.5-(5.6+4.8)÷1.312×(1

4

-1

3

+1

6

)

参考答案


(1)119-(29+713),
=119-29-713,
=1-713,
=613;

(2)91-10÷0.25÷4,
=91-10÷(0.25×4),
=91-10÷1,
=91-10,
=81;

(3)57×911+211÷75,
=57×911+211×57,
=(911+211)×57,
=1×57,
=57;

(4)35÷[78×(1-27)],
=35÷[78×57],
=35÷58,
=56;

(5)41×101,
=41×(100+1),
=41×100+41,
=4100+41,
=4141;

(6)5×13×25×310,
=(5×25)×(13×310),
=2×110,
=15;

(7)8.5-(5.6+4.8)÷1.3,
=8.5-10.4÷1.3,
=8.5-8,
=0.5;

(8)12×(14-13+16),
=12×14-12×13+12×16,
=3-4+2,
=1.

考点: