285÷95%=300(棵),
答:一共植了300棵树.
杉树的成活率是95%,今年植树节植树成活了285棵,求一共植了多少棵树?
杉树的成活率是95%,今年植树节植树成活了285棵,求一共植了多少棵树?
数学人气:135 ℃时间:2019-10-19 20:59:25
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