题目内容
3.95×6-1.45×6+(
-
+
)×(-18).
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| 9 |
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| 18 |
原式=(3.95-1.45)×6-(
×18-
×18+
×18),
=15-(14-15+5),
=15-4,
=11.
| 7 |
| 9 |
| 5 |
| 6 |
| 5 |
| 18 |
=15-(14-15+5),
=15-4,
=11.
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