幫我計下Ｄ數

Has a lot of answer:
這３個數是＿＿1＿＿＿、＿＿＿-2＿＿和＿＿＿3＿＿．　
　　和：＿1＿＿＋＿＿-2＿＋＿＿3＿＝＿＿2＿＿
　　積：＿1＿＿x_____-2____x______3___=______-6____
Hope can help you.
圖片參考：http://tw.yimg.com/i/tw/ugc/rte/smiley_8.gif


2008-08-21 10:15:12 補充：
這３個數是＿＿2＿＿＿、＿＿＿-3＿＿和＿＿＿4＿＿．　
　　和：＿2＿＿＋＿＿-3＿＋＿＿4＿＝＿＿3＿＿
　　積：＿2＿＿x_____-3____x______4___=______-24____

For your question, there are too many many answers...

If A & B is positive no. C must be negative no., the condition to fulfill this
question is to
ensure sum of A B is greater than C
then any no you input to A B C must match this question


答：這３個數是＿＿A＿＿＿、＿＿＿B＿＿＿和＿＿C＿＿．　
　　和：＿A＿＋＿B＿＋＿C＿＝＿ ve＿＿
　　積：＿A＿x___B___x___C__= __-ve______

這３個數是＿＿＿3＿＿＿、＿＿＿5＿＿＿和＿＿＿-3＿＿＿．　
　　和：＿＿3＿＿＋＿＿5＿＿＋＿-3＿＿＿＝＿＿5＿＿＿
　　積：＿＿3＿＿x_____5_____x____-3______=_____-45______