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  • 1,Tran started his homework at 8.15pm and completed it at 9.08pm.If he had allowed one hour to do his homework,what frac

    1,Tran started his homework at 8.15pm and completed it at 9.08pm.If he had allowed one hour to do his homework,what fraction of that time did he use?
    2,Vijay has 95cm of rope.He cut 3 pieces from it,each 30 cm long.What fraction of the rope remained?
    其他人氣:268 ℃時間:2020-05-20 12:35:51
    優(yōu)質(zhì)解答
    1.他從8:15開始做作業(yè),到9:08分做完.如果給他的時間是一個小時,那他實際花的時間是1小時的幾分之幾?
    9:08-8:15=53(分)
    實際是一小時的53/60
    2.Vijay有根95厘米長的繩子.他切下來3段,每段都是30厘米長.那繩子還剩下幾分之幾?
    (90-3*30)/95=5/95=1/19
    還剩下1/19
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