1、xy)24(m1)(m1)(2n3m)(2n3m)m23x2(x4)(x4)(22ab)(22ab)(4y)2(4y)2(22a)(22a)x2y)24(4y)(4y)(mn4)(mn4)m24x2(x2y)1(x2y)1(53t2)(53t2)(53t)2(53t)2(mn4)(mn4)4(3(22a)(22a)(m2n)1(m2n)1m24x2(22x)(22x)(2n3m4)(2n3m4)(x2y)2(x2y)28(2(mn4)(mn4)(m2n)(m2n)m22x2(x2y)1(x2y)1(mn4n)(mn4n)(2n3m)(2n3m)x6y)26(2(53t)(53t)2x2(2x3
2、)(2x3)(22a)2(22a)24(2a2b)(2a2b)(2m3)(2m3)m25x2(22x)(22x)(m1n)(m1n)(2x3)2(2x3)2x3y)24(mn4)(mn4)5x2(x4)(x4)(2abc)(2abc)(mn4)2(mn4)2(x2y)1(x2y)1x5y)2(m1)(m1)m23x2(4x)(4x)(x2y)(x2y)3(2a2b)(2a2b)(4m)(4m)m24x2(53x)(53x)(53t)(53t)3(4y)(4y)(2m2n)(2m2n)m24x2(x1)(x1)4(x2y)1(x2y)14x2(2y3x)(2y3x)(2a2b)2(2a2b)2(2a2b)(2a2b)2x2(2x2y)(2x2y)4(53t)(53t)3x2(53x)(53x)(x2y)12(x2y)12