题目内容
计算:
(1)-18÷
-(-2)×8;
(2)(-24)×(
-1
+
)
(1)-18÷
| 1 |
| 4 |
(2)(-24)×(
| 1 |
| 8 |
| 2 |
| 3 |
| 1 |
| 6 |
(1)-18÷
-(-2)×8
=-1×4+16
=-4+16
=12;
(2)(-24)×(
-1
+
)
=-24×
+24×
-24×
=-3+40-4
=33.
| 1 |
| 4 |
=-1×4+16
=-4+16
=12;
(2)(-24)×(
| 1 |
| 8 |
| 2 |
| 3 |
| 1 |
| 6 |
=-24×
| 1 |
| 8 |
| 5 |
| 3 |
| 1 |
| 6 |
=-3+40-4
=33.
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