A-A+

(1)(-100)+100(2)(-35)+0(3)(-0.5)+4.4(4)(-16)+(

2022-08-15 16:17:28 问答库 阅读 207 次

问题详情

(1)(-100)+100
(2)(-35)+0
(3)(-0.5)+4.4
(4)(-16)+(-8)
(5)(-4.2)+4.25
(6)0-(52)
(7)(-14)-(-15)
(8)(-1.24)-(4.76)
(9)(-6)×0
(10)(-0.5)×(-8)
(11)(1

4

-1

2

+1

6

)×12
(12)100×(-1)×(-0.1)
(13)(-1

2

)-(-31

4

)+(23

4

)-(51

2

)
(14)|-21

4

|-(-3

4

)+1-|1-1

2

|
(15)1-(-1)(-1)-(-1)×0
(16)-4.2+5.7-7.6+10.1-5.5
(17)25×3

4

-25×1

2

-25×(-1

4

)
(18)(-5)-(-25)×1

5

×(-4)+(-6)×1

2

参考答案

(1)原式=0;

(2)原式=-35;

(3)原式=4.4-0.5
=3.9;

(4)原式=-24;

(5)原式=0.05;

(6)原式=-52;

(7)原式=-14+15
=1;

(8)原式=-1.24-4.76
=-6;

(9)原式=0;

(10)原式=4;

(11)原式=14×12-12×12+16×12
=3-6+2=5-6
=-1;

(12)原式=10;

(13)原式=-12+314+234-512
=-6+6
=0;

(14)原式=214+34+1-12
=3+12
=312;

(15)原式=1-1-0
=0;

(16)原式=-4.2-5.5+5.7-7.6+10.1
=-9.7+5.7+2.5
=-4+2.5
=-1.5;

(17)原式=25(34-12+14)
=25×12
=12.5;

(18)原式=-5-20-3
=-28.

考点: