题目内容

计算:
(1)-100+157;
(2)-18+(-32);
(3)-9-27;
(4)-29-(-12);
(5)-8×(-15);
(6)(-4)÷(-
1
4
);
(7)-5.6÷(-8);
(8)72÷(-
1
3
);
(9)(-0.03)×(-100);
(10)(-0.03)÷(-0.01);
(11)3.2÷(-1
3
5
);
(12)(-0.75)÷(-5
5
8
).
(1)原式=57;
(2)原式=-18-32=-50;
(3)原式=-36;
(4)原式=-29+12=-17;
(5)原式=120;
(6)原式=4×4=16;
(7)原式=5.6×
1
8
=0.7;
(8)原式=72×(-3)=-216;
(9)原式=3;
(10)原式=3;
(11)原式=
16
5
×(-
5
8
)=-2;
(12)原式=
3
4
×
8
45
=
2
15
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网