题目内容
(
+
×
)÷
.
| 7 |
| 9 |
| 2 |
| 3 |
| 5 |
| 6 |
| 4 |
| 15 |
(
+
×
)÷
,
=(
+
)×
,
=
×
,
=5.
| 7 |
| 9 |
| 2 |
| 3 |
| 5 |
| 6 |
| 4 |
| 15 |
=(
| 7 |
| 9 |
| 5 |
| 9 |
| 15 |
| 4 |
=
| 4 |
| 3 |
| 15 |
| 4 |
=5.
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题目内容
| 7 |
| 9 |
| 2 |
| 3 |
| 5 |
| 6 |
| 4 |
| 15 |
| 7 |
| 9 |
| 2 |
| 3 |
| 5 |
| 6 |
| 4 |
| 15 |
| 7 |
| 9 |
| 5 |
| 9 |
| 15 |
| 4 |
| 4 |
| 3 |
| 15 |
| 4 |