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 |
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4 |
21 |
64 |
25 |
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4 |
21 |
64 |
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125 |
64 |
1 |
7 |
1 |
7 |
1 |
7 |