题目内容
计算:(-
-
+
)×|-24|-
×(-2.5)×(-8).
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| 5 |
| 4 |
(-
-
+
)×|-24|-
×(-2.5)×(-8),
=(-
-
+
)×24-
×(-
)×(-8),
=-
×24-
×24+
×24-
×
×8,
=-6-12+16-25,
=-43+16,
=27.
| 1 |
| 4 |
| 1 |
| 2 |
| 2 |
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| 5 |
| 4 |
=(-
| 1 |
| 4 |
| 1 |
| 2 |
| 2 |
| 3 |
| 5 |
| 4 |
| 5 |
| 2 |
=-
| 1 |
| 4 |
| 1 |
| 2 |
| 2 |
| 3 |
| 5 |
| 4 |
| 5 |
| 2 |
=-6-12+16-25,
=-43+16,
=27.
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