题目内容
计算
(1)8-23÷(-4)3-
(2)100÷(-2)2-(-2)÷(-
).
(1)8-23÷(-4)3-
| 1 |
| 8 |
(2)100÷(-2)2-(-2)÷(-
| 2 |
| 3 |
(1)原式=8-8÷(-64)-
=8+
-
=8;
(2)原式=100÷4-2×
=25-3
=22.
| 1 |
| 8 |
=8+
| 1 |
| 8 |
| 1 |
| 8 |
=8;
(2)原式=100÷4-2×
| 3 |
| 2 |
=25-3
=22.
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