1. 36x^2-4
2.(x-2)^2-9
3.64x^2-(x-1)^2
4.xy-x+2y-2
5.p^2+3p-18
5條數學.....
2007-10-10 1:27 am
回答 (2)
2007-10-10 1:39 am
1. 36x^2-4=1292+x^2
2.(x-2)^2-9=x^2-13
3.64x^2-(x-1)^2=4097
4.xy-x+2y-2=xy-x+2y-2
5.p^2+3p-18= (p-3)p-18
2.(x-2)^2-9=x^2-13
3.64x^2-(x-1)^2=4097
4.xy-x+2y-2=xy-x+2y-2
5.p^2+3p-18= (p-3)p-18
2007-10-10 1:31 am
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071009000051KK02049