Mathematics
Senior High
Resolved
最終的にBを求めたいのですが、なぜ、私が書いた、もくもく(?)のようにやってはダメなんですか?💧
(y a?+3ab+2b° -oB
= 7a? + 5 b?
36 = 7a +56- 3ab- 2b
6a2 + 3b°
B=- 20 ab
-3B= -3ab
2
b?+3ピ-3cb
B=
-3B- 6a t3 6°- 3ab
B = -2a? - b°t ab
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なるほど!!全てにかけないといけないのですね!!
ありがとうございます!!