题目内容
计算:
(1)-22-
+(π-3.14)0-2
×
;
(2)(-3)-2-
-2-2-(-2)-1.
(1)-22-
| (-3)2 |
| 2 |
| ||
| 2 |
(2)(-3)-2-
| 1 |
| 4 |
(1)原式=-4-3+1-2=-8;
(2)原式=
-
-
+
=
.
(2)原式=
| 1 |
| 9 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 9 |
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题目内容
| (-3)2 |
| 2 |
| ||
| 2 |
| 1 |
| 4 |
| 1 |
| 9 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 9 |