题目内容
计算题
(1)-14-(1-0.5)×
×[2-(-3)2]
(2)-0.52+
-|-22-4|-(-1
)×
.
(1)-14-(1-0.5)×
| 1 |
| 3 |
(2)-0.52+
| 1 |
| 4 |
| 1 |
| 2 |
| 4 |
| 3 |
(1)原式=-1-
×
×(2-9)
=-1-
×
×(-7)
=-1+
=
;
(2)原式=-
+
-8+2
=-6.
| 1 |
| 2 |
| 1 |
| 3 |
=-1-
| 1 |
| 2 |
| 1 |
| 3 |
=-1+
| 7 |
| 6 |
=
| 1 |
| 6 |
(2)原式=-
| 1 |
| 4 |
| 1 |
| 4 |
=-6.
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