题目内容
一杯纯果汁,小明第一次喝去
,再往杯里倒满水搅拌均匀,又喝去
,还剩多少纯果汁?
| 1 |
| 4 |
| 1 |
| 4 |
1-
-(1-
)×
=
-
×
,
=
-
,
=
;
答:还剩下纯果汁是原来的
.
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
=
| 3 |
| 4 |
| 3 |
| 4 |
| 1 |
| 4 |
=
| 3 |
| 4 |
| 3 |
| 16 |
=
| 9 |
| 16 |
答:还剩下纯果汁是原来的
| 9 |
| 16 |
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