Mathematics
Senior High
Resolved
(3)のやり方をわかりやすく教えてください
次の式を簡単にせよ。
1
1
(1)²++* +
x²+3x+2
(2)
(3)
1-
1
(a-b)(a-c)+(b-a)(b-c)+
1
空
1
1-
1-2
(3) 与式 = 1--
1
(1-x)-1
1-x
=1-
=1+1-1=19
IC
JC
1-x
1-x
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