题目内容
计算:
(1)1-(
)-(-
)=______;
(2)-22+(-2)3=______;
(3)-52-52=______.
(1)1-(
| 1 |
| 6 |
| 5 |
| 6 |
(2)-22+(-2)3=______;
(3)-52-52=______.
(1)1-
+
=1+
=1
;
(2)原式=-4-8
=-12;
(3)原式=-25-25
=-50.
故答案为:(1)1
;(2)-12;(3)-50.
| 1 |
| 6 |
| 5 |
| 6 |
=1+
| 2 |
| 3 |
=1
| 2 |
| 3 |
(2)原式=-4-8
=-12;
(3)原式=-25-25
=-50.
故答案为:(1)1
| 2 |
| 3 |
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