Mathematics
Senior High
因数分解の仕方が分かりません😭教えてください
(8)
a+b+c+-2a2b2-262c2-2c² a²
(9) (a²-1)(b2-1)-4ab
2
(10)
a(b-c)3+b(c-a)3 + c(a - b)³
3
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