修一条公路,未修的长度是已修长度的4倍.如果再修200米,未修的长度就是已修长度的2倍.这条公路长多少米?
修一条公路,未修的长度是已修长度的4倍.如果再修200米,未修的长度就是已修长度的2倍.这条公路长多少米?
数学人气:867 ℃时间:2020-03-27 08:05:34
优质解答
200÷(
-
)
=200÷
=1500(米).
答:这条公路长1500米.
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