题目内容
(
×3.17+3.17×
)÷3
.
| 8 |
| 17 |
| 9 |
| 17 |
| 17 |
| 100 |
(
×3.17+3.17×
)÷3
,
=[3.17×(
+
)]÷3
,
=(3.17×1)÷3
,
=3
÷3
,
=1.
| 8 |
| 17 |
| 9 |
| 17 |
| 17 |
| 100 |
=[3.17×(
| 8 |
| 17 |
| 9 |
| 17 |
| 17 |
| 100 |
=(3.17×1)÷3
| 17 |
| 100 |
=3
| 17 |
| 100 |
| 17 |
| 100 |
=1.
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