1、(53t)(53t)(x3y)22(xy)23(22a)(22a)5x2(2y3x)(2y3x)(x2y)1(x2y)1(x5y)24(xy)24(m1)(m1)3x2(x4)(x4)(x2yz)(x2yz)(2x3)2(2x3)2(m1)(m1)(x2y)24(x2y)1(x2y)1(m1)(m1)m22x2(x1)(x1)(2abc)(2abc)(m1)2(m1)2(2a2b)(2a2b)(x6y)23(2a2b)(2a2b)(m2n)1(m2n)1m2(mn4)2(mn4)28(xy)22(x2y)1(x2y)1(22n)(22n)m25x2(22x)(22x)(53t2)(53t2)(
2、x2y)12(x2y)126(xy)23(m1)(m1)(2m2n)(2m2n)m23x2(53x)(53x)(2n3m4)(2n3m4)4(22a)(22a)(2m3)(2m3)m24x2(53x)(53x)(4y)2(4y)23(2x3)(2x3)5x2(53x)(53x)(mn4n)(mn4n)(4y)(4y)4(2x3)(2x3)4x2(2x3)(2x3)(4yx)(4yx)(x2y)2(x2y)2(2x3)(2x3)(x4y)23x2(x1)(x1)(22a)(22a)(mn4)(mn4)m24x2(x1)(x1)(2n3m)(2n3m)3(53t)(53t)5x2(2x3)(2x3)