修一条水渠,原计划每天修0.24千米,15天修完.如果要9天修完,每天应修多少米?
人气:468 ℃ 时间:2019-08-18 17:41:21
解答
0.24×15÷9
=3.6÷9
=0.4(米)
答:每天应修0.4米.
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