註冊日: 2004-07-28 發表數: 143 University of Texas at Austin
Re: 6543217
a+20帶入x即可
_________________ Atra esternī ono thelduin Mor'ranr līfa unin hjarta onr Un du evarīnya ono varda. May good fortune rule over you Peace live in your heart And the stars watch over you.
2006-08-22 21:31
danny830401 Just can't stay away
註冊日: 2006-05-14 發表數: 71
Re: 6543217
3a*2+116a+1185 無法分解
2006-08-23 17:10
kurismis117 Just can't stay away
註冊日: 2006-08-22 發表數: 87 楓之島.威多利亞.墮落城市.西門町.7號.2樓
Re: 6543217
跟我想的一樣...
_________________ E=MC2 人要學數學,數學是永無止盡的!
2006-08-23 18:25
84927 Home away from home
註冊日: 2006-08-18 發表數: 245 星際外太空
Re: 6543217
2x*2-11x+9不知是否對?
_________________
2006-08-24 16:31
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