1班捐款是其余3各班的1/2,2班捐款是其余3个班的1/3,3班捐款是其余三个班的1/4,四个班共捐款3960,求4班

学习 时间:2026-11-13 07:52:53 阅读:4315
1班捐款是其余3各班的1/2,2班捐款是其余3个班的1/3,3班捐款是其余三个班的1/4,四个班共捐款3960,求4班

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朴实的彩虹

愤怒的服饰

2026-11-13 07:52:53

一班捐3960/(1+1/2)*1/2=1320二班捐3960/(1+1/3)*1/3=990三班捐3960/(1+1/4)*1/4=792四班捐3960-1320-990-792=858

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  • 感动的猎豹
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    2026-11-13 07:52:53

    一班捐3960/(1+1/2)*1/2=1320二班捐3960/(1+1/3)*1/3=990三班捐3960/(1+1/4)*1/4=792四班捐3960-1320-990-792=858

上一篇 一个底面半径为5cm的圆柱形玻璃容器,高是20cm,里面水深10cm,现将一根底面半径是1cm,高15cm的圆柱铁棒垂

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