A-A+

计算题(1)12-(-18)+(-7)-15(2)-64÷315×58(3)-63÷7+45

2022-08-15 16:27:04 问答库 阅读 207 次

问题详情

计算题
(1)12-(-18)+(-7)-15
(2)-64÷31

5

×5

8


(3)-63÷7+45÷(-9)
(4)(5

12

+2

3

-3

4

)×(-12)
(5)(-3

5

)×(6)×(-10)×(-1

4

)
(6)8+(-3)2×(-2)
(7)(-5)3×(-3

5

)+32÷(-22)×(-11

4

)
(8)100+16÷(-2)4-1

5

-|-100|

参考答案

(1)12-(-18)+(-7)-15
=12+18-7-15
=30-22
=8;

(2)-64÷315×58
=-64×516×58
=-12.5;

(3)-63÷7+45÷(-9)
=-9-5
=-14;

(4)(512+23-34)×(-12)
=-512×12-23×12+34×12
=-5-8+9
=-4;

(5)(-35)×(+6)×(-10)×(-14)
=-3.6+2.5
=-1.1;

(6)8+(-3)2×(-2)
=8+9×(-2)
=8-18
=-10;

(7)(-5)3×(-35)+32÷(-22)×(-114)
=(-125)×(-35)+32÷(-4)×(-54)
=75+8×54
=75+10
=85;

(8)100+16÷(-2)4-15-|-100|
=100+16÷16-15-100
=100+1-15-100
=45.

考点: