题目内容
计算-
+2-3÷(-
)0+(0.125)2009×(-8)2008.
| 3 | -64 |
| 1 |
| 4 |
原式=4+
+[0.125×(-8)]2008×0.125
=4+
+1×0.125
=4+(
+
)
=4+
=4+0.25
=4.25.
| 1 |
| 8 |
=4+
| 1 |
| 8 |
=4+(
| 1 |
| 8 |
| 1 |
| 8 |
=4+
| 1 |
| 4 |
=4+0.25
=4.25.
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| 3 | -64 |
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| 4 |
| 1 |
| 8 |
| 1 |
| 8 |
| 1 |
| 8 |
| 1 |
| 8 |
| 1 |
| 4 |