Mathematics
Senior High
Solved
＝b^3＋a^3/ab になるのは何故でしょうか、、教えていただきたいです🙏
ba a²
63+a³
(4)
b
ab
(a+b)(a-ab+b²)
ab
(a+b){(a+b)-3ab}
s(83-31)
ab
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