16-8(x-y)+(x-y)² 求因式分解

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16-8(x-y)+(x-y)²求因式分解16-8(x-y)+(x-y)²求因式分解16-8(x-y)+(x-y)²求因式分解16-8(x-y)+(x-y)²=

16-8(x-y)+(x-y)² 求因式分解
16-8(x-y)+(x-y)² 求因式分解

16-8(x-y)+(x-y)² 求因式分解
16-8(x-y)+(x-y)²
=[4-(x-y)]²
=(4-x+y)²

=(x-y+4)的平方