题目内容
6
-(3.625-2
)-4
.
| 8 |
| 17 |
| 9 |
| 17 |
| 3 |
| 8 |
6
-(3.625-2
)-4
=6
+2
-3.625-4.375
=9-(3.625+4.375)
=9-8
=1.
| 8 |
| 17 |
| 9 |
| 17 |
| 3 |
| 8 |
=6
| 8 |
| 17 |
| 9 |
| 17 |
=9-(3.625+4.375)
=9-8
=1.
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