题目内容
| 3 |
| 5 |
| 2 |
| 5 |
| 3 |
| 4 |
| 4 |
| 9 |
| 1 |
| 3 |
| 4 |
| 5 |
| 7 |
| 15 |
| 4 |
| 7 |
| 3 |
| 8 |
| 4 |
| 5 |
| 7 |
| 30 |
| 3 |
| 4 |
| 2 |
| 5 |
| 5 |
| 12 |
| 5 |
| 6 |
| 5 |
| 8 |
（1）
-
×
=
-
=
；
（2）36×
+
=16+
=16
；
（3）
+
×
=
+
=1
；
（4）（
+
）×
=
×
=
；
（5）24×（
-
）
=24×
-24×
=20-15
=5．
| 3 |
| 5 |
| 2 |
| 5 |
| 3 |
| 4 |
=
| 3 |
| 5 |
| 3 |
| 10 |
=
| 3 |
| 10 |
（2）36×
| 4 |
| 9 |
| 1 |
| 3 |
=16+
| 1 |
| 3 |
=16
| 1 |
| 3 |
（3）
| 4 |
| 5 |
| 7 |
| 15 |
| 4 |
| 7 |
=
| 4 |
| 5 |
| 4 |
| 15 |
=1
| 1 |
| 15 |
（4）（
| 3 |
| 4 |
| 2 |
| 5 |
| 5 |
| 12 |
=
| 23 |
| 20 |
| 5 |
| 12 |
=
| 23 |
| 48 |
（5）24×（
| 5 |
| 6 |
| 5 |
| 8 |
=24×
| 5 |
| 6 |
| 5 |
| 8 |
=20-15
=5．
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