Mathematics
Senior High
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数Ⅰのサクシードです。
229の(3)の解説をお願いします🙇♂️
229 *(1)/ a²(b-c) +62(c-a)+c(a-b)
川
(2) ab(a+b)+bc (b+c)+ca(c+a)+2abc
*(3)ab(a+b)+bc(b+c)+ca(c+α)+3abc
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