1、(x2y)(xy)(5a6b)(5a+2b)(9x5y)(x+2y)p+q)(pq)a4x4a3x2)ax2)(2r3h+4rh2)(rh)(10a2b)(ab2)3x3y2z2)(y2z3)(4x)2y3(16x3y3)(a2b)34x3y2(3x2yz+5y2z)(x8y)(x(4a3b)(5a+3b)(3x9y)(x+4y)a2x3)(5r2h+3rh3)ab2)2x3y3z3)(y3z2)(2x)3y2(6x3y3)2x2y3(8x2yz4y2z)(x9y)(x(5a5b)(5a+4b)(9x4y)(x+2y)a3x3a4x3)(2r2h+5rh3)(4a2b)(x3y3z2)(10x
2、2y3)3x2y2(6x2yz+2y2z)(x6y)(x(4a4b)(2a+2b)(9x2y)(x+3y)a2x4)(5r2h+6rh2)x2y2z2)(y3z3)(2x)2y23x3y2(7x2yz5y2z)(x3y)(x(5a6b)(3a+2b)(5x9y)(x+2y)a2x3(5r2h+4rh2)(8a2b)(y2z2)(6x)3y2(8x2y3)3x2y3(8x2yz5y2z)(x7y)(x(4a5b)(4a+4b)(8x7y)(x+4y)(4r2h+6rh2)(2a2b)(6x)2y3(12x2y2)2x2y3(4x2yz2y2z)(4a6b)(4a+2b)(6x7y)(x+2y)a4x3(4r2h+3rh3)(6a2b)(14x2y3)(a2b)23x2y3(6x2yz+5y2z)(x4y)(x(4a5b)(7a+2b)(2x5y)(x+3y)a4x2)(8x)3y3(4x3y3)2x2y2(8x2yz5y2z)(4a4b)(7a+2b)(8x7y)(x+3y)a2x4(2r3h+5rh2)