Mathematics
Senior High
5段目はなぜ+xなんですか?
そのままおろしたら−xじゃないんですか?
AS-x8)(S)
A
xーx-3
-3x?
23
.2
130
+x+1
+4
x*+x+
x4+x°+ x?
友開知
開 ー4x°
2
x
- 3x+ x+4
S%0開は 43x-3x-3
o&利 開
x)(4x+7
商ピーx-3, 余り 4.x+7
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