Mathematics
Junior High
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これで答えあってますか？🙏🏻
Lv2 (1213) (x+9y)²
(x + Q y ) ( XtQy)
= x ² + 18 xy + 864 ²
UP.28
2
X ² + ( 8 x y € 8 √y ²
Lv2
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ありがとうございます！🙏🏻