题目内容
计算：(12
×3
-4
×4
)÷(4
×2
)．
| 4 |
| 5 |
| 3 |
| 4 |
| 4 |
| 11 |
| 1 |
| 8 |
| 5 |
| 7 |
| 1 |
| 3 |
(12
×3
-4
×4
)÷(4
×2
)，
=(
×
-
×
)÷(
×
)
=（48-18）÷11，
=30÷11，
=
．
| 4 |
| 5 |
| 3 |
| 4 |
| 4 |
| 11 |
| 1 |
| 8 |
| 5 |
| 7 |
| 1 |
| 3 |
=(
| 64 |
| 5 |
| 15 |
| 4 |
| 48 |
| 11 |
| 33 |
| 8． |
| 33 |
| 7 |
| 7 |
| 3 |
=（48-18）÷11，
=30÷11，
=
| 30 |
| 11 |
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