问题描述:
数学计算因式分解
计算(1)(3a+2b-1)(34-2b+1) (2)(-3a-1)(3a+1)
因式分解 (1)3m(2x-y)²-3mn² (2)(x-y)³+4(y-x) (3)(x-2x)²+2(x²-2x)+1 (4)4x²+2x-y-y ² (5)2ab+1-a²-b² (6)x³-2x²y-xy²+2y³
计算(1)(3a+2b-1)(34-2b+1) (2)(-3a-1)(3a+1)
因式分解 (1)3m(2x-y)²-3mn² (2)(x-y)³+4(y-x) (3)(x-2x)²+2(x²-2x)+1 (4)4x²+2x-y-y ² (5)2ab+1-a²-b² (6)x³-2x²y-xy²+2y³
问题解答:
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