(a-b)(_________)=a³-b³化简化成最简形式,最好每一步都写出来.
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![(a-b)(_________)=a³-b³化简化成最简形式,最好每一步都写出来.](/uploads/image/z/5174582-14-2.jpg?t=%28a-b%29%28_________%29%3Da%26%23179%3B-b%26%23179%3B%E5%8C%96%E7%AE%80%E5%8C%96%E6%88%90%E6%9C%80%E7%AE%80%E5%BD%A2%E5%BC%8F%2C%E6%9C%80%E5%A5%BD%E6%AF%8F%E4%B8%80%E6%AD%A5%E9%83%BD%E5%86%99%E5%87%BA%E6%9D%A5.)
(a-b)(_________)=a³-b³化简化成最简形式,最好每一步都写出来.
(a-b)(_________)=a³-b³化简
化成最简形式,最好每一步都写出来.
(a-b)(_________)=a³-b³化简化成最简形式,最好每一步都写出来.
(a-b)(__ a²+ab+b²_______)=a³-b³
(a-b)(_a²+ab+b²_)=a³-b³
(a-b)(_a²+ab+b²)=a³-b³