计算:(5a²+2a-1)-4(3-8a+2a²)

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计算:(5a²+2a-1)-4(3-8a+2a²)计算:(5a²+2a-1)-4(3-8a+2a²)计算:(5a²+2a-1)-4(3-8a+2a&#

计算:(5a²+2a-1)-4(3-8a+2a²)
计算:(5a²+2a-1)-4(3-8a+2a²)

计算:(5a²+2a-1)-4(3-8a+2a²)