[計量] 請教一題計量
看板GRE (GRE入學考試)作者yecochi (可恨有機 禁止裝死遊戲)時間15年前 (2010/09/30 19:10)推噓0(0推 0噓 0→)留言0則, 0人參與討論串30/41 (看更多)
Jill has 6x red marbles and 4y green marbles.
Bill has half as many red marbles as Jill,
but he has twice as many red marbles and green marbles combined as Jill
col.A the number of green marbles that Bill has
col.B 9x+8y
ans. 兩者相等
不太了解題意
有請高手賜教了，謝謝
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