题目内容
48×0.2×（
-
）
18
÷6+1
×6
（8.8-23.4×
）÷
2
÷{（
-
）×1.2+
}．
| 3 |
| 10 |
| 1 |
| 5 |
18
| 3 |
| 4 |
| 7 |
| 24 |
（8.8-23.4×
| 1 |
| 3 |
| 5 |
| 9 |
2
| 1 |
| 4 |
| 5 |
| 6 |
| 1 |
| 3 |
| 4 |
| 5 |
（1）48×0.2×（
-
），
=9.6×0.1，
=0.96；
（2）18
÷6+1
×6
=
+
，
=
；
（3）（8.8-23.4×
）÷
=（8.8-7.8）×
，
=1×
，
=
；
（4）2
÷[（
-
）×1.2+
]
=
÷[
×
+
]，
=
÷[
+
]，
=
×
，
=
．
| 3 |
| 10 |
| 1 |
| 5 |
=9.6×0.1，
=0.96；
（2）18
| 3 |
| 4 |
| 7 |
| 24 |
=
| 75 |
| 24 |
| 31 |
| 4 |
=
| 261 |
| 24 |
（3）（8.8-23.4×
| 1 |
| 3 |
| 5 |
| 9 |
=（8.8-7.8）×
| 9 |
| 5 |
=1×
| 9 |
| 5 |
=
| 9 |
| 5 |
（4）2
| 1 |
| 4 |
| 5 |
| 6 |
| 1 |
| 3 |
| 4 |
| 5 |
=
| 9 |
| 4 |
| 1 |
| 2 |
| 6 |
| 5 |
| 4 |
| 5 |
=
| 9 |
| 4 |
| 3 |
| 5 |
| 4 |
| 5 |
=
| 9 |
| 4 |
| 5 |
| 7 |
=
| 45 |
| 28 |
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