问题
解答题
某乡修一条水渠,第一期工程修了全长的50%,第二期工程修了全长的35%,还剩180米没有修,这条环山水渠长多少米?
答案
180÷(1-50%-35%)
=180÷15%
=1200(米);
答:这条环山水渠长1200米.
某乡修一条水渠,第一期工程修了全长的50%,第二期工程修了全长的35%,还剩180米没有修,这条环山水渠长多少米?
180÷(1-50%-35%)
=180÷15%
=1200(米);
答:这条环山水渠长1200米.
完形填空: | ||||
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