(91-8)/91=83/91
所以成活的棵樹(shù)占總數(shù)的91分之83
四年一班參加植樹(shù)活動(dòng),共種了91棵樹(shù),其中死了8棵,那么成活的棵樹(shù)占總可數(shù)的幾分之幾.
四年一班參加植樹(shù)活動(dòng),共種了91棵樹(shù),其中死了8棵,那么成活的棵樹(shù)占總可數(shù)的幾分之幾.
7點(diǎn)就沒(méi)用了!
7點(diǎn)就沒(méi)用了!
數(shù)學(xué)人氣:574 ℃時(shí)間:2020-02-05 23:20:34
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