计算下列各题3(3a²-2a+1)-(5a²-3a-1),b的m次方·b的m+1次方·b的2m次方÷b,3(a³)的4次方+a的9次方·a³-2(a²)的6次方
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![计算下列各题3(3a²-2a+1)-(5a²-3a-1),b的m次方·b的m+1次方·b的2m次方÷b,3(a³)的4次方+a的9次方·a³-2(a²)的6次方](/uploads/image/z/1628153-17-3.jpg?t=%E8%AE%A1%E7%AE%97%E4%B8%8B%E5%88%97%E5%90%84%E9%A2%983%283a%26%23178%3B-2a%2B1%29-%285a%26%23178%3B-3a-1%29%2Cb%E7%9A%84m%E6%AC%A1%E6%96%B9%C2%B7b%E7%9A%84m%2B1%E6%AC%A1%E6%96%B9%C2%B7b%E7%9A%842m%E6%AC%A1%E6%96%B9%C3%B7b%2C3%28a%26%23179%3B%29%E7%9A%844%E6%AC%A1%E6%96%B9%2Ba%E7%9A%849%E6%AC%A1%E6%96%B9%C2%B7a%26%23179%3B-2%28a%26%23178%3B%29%E7%9A%846%E6%AC%A1%E6%96%B9)
计算下列各题3(3a²-2a+1)-(5a²-3a-1),b的m次方·b的m+1次方·b的2m次方÷b,3(a³)的4次方+a的9次方·a³-2(a²)的6次方
计算下列各题3(3a²-2a+1)-(5a²-3a-1),
b的m次方·b的m+1次方·b的2m次方÷b,3(a³)的4次方+a的9次方·a³-2(a²)的6次方
计算下列各题3(3a²-2a+1)-(5a²-3a-1),b的m次方·b的m+1次方·b的2m次方÷b,3(a³)的4次方+a的9次方·a³-2(a²)的6次方
4a²-3a+4
b的4m次方
-55a的12次方