本文目錄一覽1，初一數(shù)學(xué)代數(shù)題2，初一數(shù)學(xué)代數(shù)題3，初一代數(shù)題4，初一的數(shù)學(xué)代數(shù)式1，初一數(shù)學(xué)代數(shù)題（x+y)^2=x^2+y^2+2Xy=4所以xy=0即x=0,y=2或-2或者x=2或-2，y=0所以x^2006+y^2006=2^2006{0}2，初一數(shù)學(xué)代數(shù)題（a+3)2·（a2+9)2·(a-3)2=(a+3)(a+3)(a2+9)2(a-3)(a-3)=(a+3)(a-3)(a2+9)2(a-3)(a+3)變形運(yùn)用平方差公式=(a2-9)(a2+9)2(a2-9)=(a2-9)2(a2+9)2...