题目内容
计算下列各题:
(1)-32-16÷(-
);
(2)(
-
+
)÷
.
(1)-32-16÷(-
| 4 |
| 3 |
(2)(
| 1 |
| 3 |
| 1 |
| 6 |
| 5 |
| 12 |
| 7 |
| 24 |
(1)原式=-9+16×
=-9+12=3;
(2)原式=(
-
+
)×
=
×
-
×
+
×
=
-
+
=2.
| 3 |
| 4 |
(2)原式=(
| 1 |
| 3 |
| 1 |
| 6 |
| 5 |
| 12 |
| 24 |
| 7 |
| 1 |
| 3 |
| 24 |
| 7 |
| 1 |
| 6 |
| 24 |
| 7 |
| 5 |
| 12 |
| 24 |
| 7 |
| 8 |
| 7 |
| 4 |
| 7 |
| 10 |
| 7 |
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