疯掉啦……
120+30=150,150*5=750,这5天共修750米,
这原计划修多少米呢?750-30=720米,720/120=6,120*(6+5)=1320米.
工人叔叔修一条路,原计划每天修120米,实际每天多修了30米,结果提前5天完成.原计划修的这条路有()米?
工人叔叔修一条路,原计划每天修120米,实际每天多修了30米,结果提前5天完成.原计划修的这条路有()米?
数学人气:119 ℃时间:2020-04-30 15:49:31
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