题目内容
计算:
(1)(-2)×(-5)×0.1
(2)16÷(-2)3-(-
)×(-4)
(3)(
-
-
)×30
(4)-24-
×[5-(-3)2].
(1)(-2)×(-5)×0.1
(2)16÷(-2)3-(-
| 1 |
| 8 |
(3)(
| 1 |
| 2 |
| 5 |
| 6 |
| 3 |
| 5 |
(4)-24-
| 1 |
| 2 |
(1)原式=10×0.1,
=1.
(2)原式=16÷(-8)-
,
=-2-
,
=-
.
(3)原式=
×30-
×30-
×30,
=15-25--18,
=-28.
(4)原式=-16-
×(-4),
=-16+2,
=-14.
=1.
(2)原式=16÷(-8)-
| 1 |
| 2 |
=-2-
| 1 |
| 2 |
=-
| 5 |
| 2 |
(3)原式=
| 1 |
| 2 |
| 5 |
| 6 |
| 3 |
| 5 |
=15-25--18,
=-28.
(4)原式=-16-
| 1 |
| 2 |
=-16+2,
=-14.
练习册系列答案
相关题目