CE Maths 2004 MC 10
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CE Maths 2004 MC 4by JamesChan5311,663 views
把它乘開會比較複雜，不正統嗎＠＠
像這樣:
2ax-ax*x+2bx*x-bx
(2a-b)x*x+(2a-b)x
=> 2a-b=4 , 2b-a=-5
=>a=1
pridecjuwahaha 9 months ago
thnx? what's that?
yubean325 2 years ago
thnx
lilaleger 4 years ago