一条路已修108米,未修的比已修的少九分之二,这条路有几米?
一条路已修108米,未修的比已修的少九分之二,这条路有几米?
数学人气:702 ℃时间:2019-08-22 13:36:57
优质解答
108-108X(2/9)+108=192
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