八年級數(shù)學(上冊)-因式分解的方法匯總-預覽頁
【正文】 1692222??????????????yxyxyxyyxx? (1)原式 = ? （ 2）原式 = ? (3)原式 = )12)(3()3()2)(3()3(65 22?????????????yxyxyxyxyxyxyxyx)2)(2)((3])2()2[()2()2( 3333???????????yxyxyxyx)1)(()()(2222????????????yxyxyxyxxyyyxx? (4)原式 = ? (5)原式 = ? (6)原式 = 2223)3)(1()85)(1())(1(8351??????????????xxxxxxxxxxx)12)(32(3)2(2)2( 2?????????yxyxyxyx222222)1()1()1(1)(2)(12)(4)(2)(2)(???????????????????????yxxyyxxyyxxyyxxyxyxyyxxyyxyx? （ 7）原式 = ? （ 8）原式 = ? (9)原式 = )1)(2(210)3)(4(2?????????tttttt)84)(84(16)8(166416222222222224224babababababababbaa???????????)2)(3)(1()72)(1()1)(1(7521223???????????????xxxxxxxxxxx? (10)原式 = ? （ 11）原式 = ? (12)原式 = 222222222222224224)()(2)()(22babababaabbababaabbbaa?????????????2222222222222222222222224224)(2])(2)[(22)(4)()(2)2(22babababaabbababaabbabababababbaa?????????????????????? (13)證明： 知識回顧Knowledge Review
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