1.3(x-3)(x+3) 2.x(x-2)(x+2) 3.x(x-3)24.-y(x-3)2 5.(x+y-z)(x+y+z) 6.(a-b-3)(a-b+3) 7.(x+2y)(x-2y+1) 8.(a-b)(a-b-2) 9.(x-y)3(x+y) 10.(y-z)(x-y)(x+y) 11.(2x-3y+1)(2x+y-3) 12.(x-5y+2)(x+2y-1) 13.(b+1)(a+b-2) (共 203 字) [閱讀本文] >>
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 1.3(x-3)(x+3) 2.x(x-2)(x+2) 3.x(x-3)24.-y(x-3)2 5.(x+y-z)(x+y+z) 6.(a-b-3)(a-b+3) 7.(x+2y)(x-2y+1) 8.(a-b)(a-b-2) 9.(x-y)3(x+y) 10.(y-z)(x-y)(x+y) 11.(2x-3y+1)(2x+y-3) 12.(x-5y+2)(x+2y-1) 13.(b+1)(a+b-2) (共 203 字) [閱讀本文] >>