粮店有150袋大米,第一天卖出
,第二天卖出第一天的
.还剩下多少袋?
人气:354 ℃ 时间:2019-11-15 07:13:41
解答
150×(1-
-
×
),
=150×(1-
-
),
=150×
,
=50(袋);
答:还剩下50袋.
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