摘要:23.计算题 ① . -14-(-2)3×5+(-3)2÷ .②. ③.
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计算题
①-23÷(-2-
)×(-
)2-
+1
②(-
+
)÷(-
)+(-
)÷(-1
+[50-(
-
+
)×(-6)2]÷(-7)2)
③[50-(
-
+
)×(-6)2]÷(-7)2
④-12-[2-(1+
×0.5)]÷[32-(-2)2].
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①-23÷(-2-
| 1 |
| 4 |
| 1 |
| 3 |
| 32 |
| 81 |
②(-
| 3 |
| 8 |
| 7 |
| 12 |
| 1 |
| 24 |
| 7 |
| 16 |
| 3 |
| 4 |
| 7 |
| 9 |
| 11 |
| 12 |
| 1 |
| 6 |
③[50-(
| 7 |
| 9 |
| 11 |
| 12 |
| 1 |
| 6 |
④-12-[2-(1+
| 1 |
| 3 |