计算:(-3/4x²y-3/5xy²)-a(a³-1) 计算:a²﹙a²+a+1﹚-a﹙a³-1﹚

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计算:(-3/4x²y-3/5xy²)-a(a³-1) 计算:a²﹙a²+a+1﹚-a﹙a³-1﹚

计算:(-3/4x²y-3/5xy²)-a(a³-1) 计算:a²﹙a²+a+1﹚-a﹙a³-1﹚
计算:(-3/4x²y-3/5xy²)-a(a³-1) 计算:a²﹙a²+a+1﹚-a﹙a³-1﹚

计算:(-3/4x²y-3/5xy²)-a(a³-1) 计算:a²﹙a²+a+1﹚-a﹙a³-1﹚
你这是题目要的是提取公因式啊,还是求结果?