题目内容
-42+
÷0.83+
×(4-
).
| 64 |
| 25 |
| 3 |
| 4 |
| 4 |
| 21 |
-42+
÷0.83+
×(4-
)
=-16+
×
+3-
=-16+5+3-
=-8
.
| 64 |
| 25 |
| 3 |
| 4 |
| 4 |
| 21 |
=-16+
| 64 |
| 25 |
| 125 |
| 64 |
| 1 |
| 7 |
=-16+5+3-
| 1 |
| 7 |
=-8
| 1 |
| 7 |
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题目内容
| 64 |
| 25 |
| 3 |
| 4 |
| 4 |
| 21 |
| 64 |
| 25 |
| 3 |
| 4 |
| 4 |
| 21 |
| 64 |
| 25 |
| 125 |
| 64 |
| 1 |
| 7 |
| 1 |
| 7 |
| 1 |
| 7 |