题目内容
计算
-
÷(2
×
)
| 1 |
| 2 |
| 24 |
| 4 |
| 3 |
| 18 |
| 8 |
| 1 |
| 3 |
| 54 |
解;原式=
×2
-
×3
÷(2×2
×
×3
)
=
-4
÷(4
×
)
=
-4
÷16
=
-
=
.
| 1 |
| 2 |
| 6 |
| 4 |
| 3 |
| 2 |
| 2 |
| 1 |
| 3 |
| 6 |
=
| 6 |
| 2 |
| 2 |
| 6 |
=
| 6 |
| 2 |
| 3 |
=
| 6 |
| ||
| 4 |
=
3
| ||
| 4 |
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