题目内容
计算:(
-
)×
.
| 14 |
| 15 |
| 7 |
| 24 |
| 3 |
| 2 |
(
-
)×
,
=
×
-
×
,
=
-
,
=
.
| 14 |
| 15 |
| 7 |
| 24 |
| 3 |
| 2 |
=
| 14 |
| 15 |
| 3 |
| 2 |
| 7 |
| 24 |
| 3 |
| 2 |
=
| 7 |
| 5 |
| 7 |
| 16 |
=
| 77 |
| 80 |
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题目内容
| 14 |
| 15 |
| 7 |
| 24 |
| 3 |
| 2 |
| 14 |
| 15 |
| 7 |
| 24 |
| 3 |
| 2 |
| 14 |
| 15 |
| 3 |
| 2 |
| 7 |
| 24 |
| 3 |
| 2 |
| 7 |
| 5 |
| 7 |
| 16 |
| 77 |
| 80 |