题目内容
在括号内填上适当的数.
=
=
=
=
=
=
=
=
.
| 5 |
| 7 |
| 5×() |
| 7×() |
| 20 |
| 28 |
| 1 |
| 4 |
| 1×() |
| 4×() |
| 3 |
| 12 |
| 3 |
| 4 |
| 3×() |
| 4×() |
| 21 |
| 28 |
| 1 |
| 6 |
| 1×() |
| 6×() |
| 2 |
| 12 |
| 5 |
| 7 |
| 5×4 |
| 7×4 |
| 20 |
| 28 |
| 1 |
| 4 |
| 1×3 |
| 4×3 |
| 3 |
| 12 |
| 3 |
| 4 |
| 3×7 |
| 4×7 |
| 21 |
| 28 |
| 1 |
| 6 |
| 1×2 |
| 6×2 |
| 2 |
| 12 |
故答案为:4,4,3,3,7,7,2,2.
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