一段公路,甲队单独修需20天,乙队每天可以修350米,现在甲、乙两队合修,完工时乙队完成全部工程的60%,乙队修了多少米?
人气:221 ℃ 时间:2019-08-19 11:14:09
解答
(1-60%)
÷×350,
=40%
÷×350,
=8×350,
=2880(米),
答:乙队一共修了2880米.
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