发布时间 : 星期五 文章七年级数学下册用整式乘法公式的计算题 (520)更新完毕开始阅读1242f263f4335a8102d276a20029bd64783e6222
(2x-2y+z)(2x-2y-z)
xx2
(+4)-(-4)2 44(-7x+6)(-7x+6)
(8x-3)(8x-3)
1(-x-2y)2 2132-2(x-y)
32113(-x+y)(x+y)
2211(3mn+)(3mn-)-5m2n2
225x-(2x+2)(2x-2)
2
(4x-2y+2z)(4x-2y-2z)
xx2
(+3)-(-3)2 44(-9x+6)(-9x-6)
(6x-4)(6x+4)
12(-x+3y) 2112-2(x-y)
32112(-x+y)(x-y)
221122(3mn+)(3mn-)-2mn
446x2-(x+1)(x-1)
(x+y+3z)(x+y-3z)
xx22
(+2)-(-2) 22