题目内容
| 456×789-123 |
| 333+788×456 |
| 456×789-123 |
| 333+788×456 |
=
| 456×(788+1)-123 |
| 333+788×456 |
=
| 456-123+788×456 |
| 333+788×456 |
=
| 333+788×456 |
| 333+788×456 |
=1.
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题目内容
| 456×789-123 |
| 333+788×456 |
| 456×789-123 |
| 333+788×456 |
| 456×(788+1)-123 |
| 333+788×456 |
| 456-123+788×456 |
| 333+788×456 |
| 333+788×456 |
| 333+788×456 |