题目内容
计算题
(1)1+
-
;
(2)-1100-(1-0.5)÷3×[3-(-3)2].
(1)1+
| 1 |
| 4 |
| 1 |
| 2 |
(2)-1100-(1-0.5)÷3×[3-(-3)2].
(1)原式=
+
-
=
;
(2)原式=-1-
÷3×[3-9]
=-1-
×
×(-6)
=-1+1
=0.
| 4 |
| 4 |
| 1 |
| 4 |
| 2 |
| 4 |
=
| 3 |
| 4 |
(2)原式=-1-
| 1 |
| 2 |
=-1-
| 1 |
| 2 |
| 1 |
| 3 |
=-1+1
=0.
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