修路队套修一天长2600米的公路,每天要修170米,修了15天,还剩多少米没修?
修路队套修一天长2600米的公路,每天要修170米,修了15天,还剩多少米没修?
数学人气：999 ℃时间：2019-10-19 13:41:50
优质解答
2600-170X15=50
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