设小强原有x本,x-60/(4/3x+60)=3/5
5x-300=4x+180
x=480
小强原有480本,
小英有640本.
小强原有图书本数是小英的75%.小强给小英60本后,小强图书本数与小英的比是3:5,俩人原有各多少本?
小强原有图书本数是小英的75%.小强给小英60本后,小强图书本数与小英的比是3:5,俩人原有各多少本?
数学人气:537 ℃时间:2020-04-06 13:18:55
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