题目内容
计算:(1)-40-28-(-19)+(-24);
(2)
×(
-
)×
÷
.
(2)
| 7 |
| 6 |
| 1 |
| 6 |
| 1 |
| 3 |
| 3 |
| 14 |
| 3 |
| 5 |
(1)原式=-40-28+19-24=-73;
(2)解原式=
×(-
)×
÷
=-
×
×
×
=-
.
(2)解原式=
| 7 |
| 6 |
| 1 |
| 6 |
| 3 |
| 14 |
| 3 |
| 5 |
| 7 |
| 6 |
| 1 |
| 6 |
| 3 |
| 14 |
| 5 |
| 3 |
| 5 |
| 72 |
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