作者ljm (jj)
看板GRE_Verbal
標題[討論] 數學一題請教
時間Sat May 19 17:57:17 2007
Bigbook 22回
數學第一節第15題
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.
題目是說Bill 有Jill一半的red marbles
後半段看不懂>_<
題目問Bill 有幾個green marbles?
可以請高手幫忙看看嗎
謝謝
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1F：→ yhshih:Bill紅綠球總和是Jill紅綠球總和的兩倍 140.109.22.222 05/19 18:01