题目内容
(
-
)×36÷(-2
).
| 1 |
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| 4 |
(
-
)×36÷(-2
)
=(
-
)×36÷(-
)
=(
-
)×36×(-
)
=(
×36-
×36)×(-
)
=(18-12)×(-
)
=6×(-
)
=-
.
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| 2 |
| 1 |
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=(
| 1 |
| 2 |
| 1 |
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| 4 |
=(
| 1 |
| 2 |
| 1 |
| 3 |
| 4 |
| 11 |
=(
| 1 |
| 2 |
| 1 |
| 3 |
| 4 |
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=(18-12)×(-
| 4 |
| 11 |
=6×(-
| 4 |
| 11 |
=-
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