修一条路,第一施工队单独修要4天完成,第二施工队单独修要6天完成,如果两队合修,几天可以修完这条路的11/12?
修一条路,第一施工队单独修要4天完成,第二施工队单独修要6天完成,如果两队合修,几天可以修完这条路的
?
数学人气:161 ℃时间:2019-12-13 00:19:27
优质解答
÷(1÷4+1÷6),
=
÷(
+
),
=
÷
,
=
×
,
=
(天),
答:
天可以修完这条路的
.
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