作者ljm (jj)
看板GRE_Verbal
标题[讨论] 数学一题请教
时间Sat May 19 17:57:17 2007
Bigbook 22回
数学第一节第15题
Jill has 6X red marbles and 4Y green marbles.
Bill has half as red marbles as Jill,
but he has twice as many red marbles and green marbles combined as Jill.
题目是说Bill 有Jill一半的red marbles
後半段看不懂>_<
题目问Bill 有几个green marbles?
可以请高手帮忙看看吗
谢谢
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1F：→ yhshih:Bill红绿球总和是Jill红绿球总和的两倍 140.109.22.222 05/19 18:01