题目内容
计算
(1)-16+(-29)-(-7)-(+11)
(2)(-81)÷
×
÷(-16)
(3)(
-
+
)×(-30)
(4)-14÷(-5)2×(-
)+|0.8-1|
(1)-16+(-29)-(-7)-(+11)
(2)(-81)÷
9 |
4 |
4 |
9 |
(3)(
2 |
5 |
1 |
15 |
5 |
6 |
(4)-14÷(-5)2×(-
5 |
3 |
(1)原式=-16-29+7-11=-56+7=-49;
(2)原式=-81×
×
×(-
)=1;
(3)原式=-12+2-25=-35;
(4)原式=-1÷25×(-
)+0.2=
+
=
.
(2)原式=-81×
4 |
9 |
4 |
9 |
1 |
16 |
(3)原式=-12+2-25=-35;
(4)原式=-1÷25×(-
5 |
3 |
1 |
15 |
1 |
5 |
4 |
15 |
练习册系列答案
相关题目