计算(1)(?2012)0+(?3)2?(?14)?1(2)(?2x)4(12x2)2(x?2)2(3)(x-2)(x-3)-(x+5)(x-5)(4)(-2
计算(1)(?2012)0+(?3)2?(?14)?1(2)(?2x)4(12x2)2(x?2)2(3)(x-2)(x-3)-(x+5)(x-5)(4)(-2x-y)(2...
计算(1)(?2012)0+(?3)2?(?14)?1(2)(?2x)4(12x2)2(x?2)2(3)(x-2)(x-3)-(x+5)(x-5)(4)(-2x-y)(2x+y)-(-x+2y)2.
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