题目内容
[18-(
+
)×8]÷
.
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[18-(
+
)×8]÷
,
=[18-
×8]×
,
=18×
-
×
×8,
=21.6-8,
=13.6.
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| 2 |
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=[18-
| 5 |
| 6 |
| 6 |
| 5 |
=18×
| 6 |
| 5 |
| 5 |
| 6 |
| 6 |
| 5 |
=21.6-8,
=13.6.
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