12x²-3y² (2x+y)²-(x+2y)² 因式分解.最好写完拍下来给我=
12x²-3y² (2x+y)²-(x+2y)² 因式分解.最好写完拍下来给我=
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12x²-3y² (2x+y)²-(x+2y)² 因式分解噢.
因式分解x²(x-2y)+y²(2y-x) 求各位大哥大姐帮我解答,.
因式分解:(x+2y)²-y²
因式分解,5y(x-2y)²-20y(2x-y)²
因式分解:x²(x-y)+(y-x)