题目内容
(3
+9
)÷(
+
)
| 2 |
| 9 |
| 2 |
| 3 |
| 1 |
| 9 |
| 1 |
| 3 |
(3
+9
)÷(
+
),
=12
÷
,
=
÷
,
=29.
| 2 |
| 9 |
| 2 |
| 3 |
| 1 |
| 9 |
| 1 |
| 3 |
=12
| 8 |
| 9 |
| 4 |
| 9 |
=
| 116 |
| 9 |
| 4 |
| 9 |
=29.
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题目内容
| 2 |
| 9 |
| 2 |
| 3 |
| 1 |
| 9 |
| 1 |
| 3 |
| 2 |
| 9 |
| 2 |
| 3 |
| 1 |
| 9 |
| 1 |
| 3 |
| 8 |
| 9 |
| 4 |
| 9 |
| 116 |
| 9 |
| 4 |
| 9 |