Mathematics
Senior High
黄色の部分なぜこうなるか教えてください!
13
(1) (x²+ y² ⑬
y=axc+b
2xy=
接点(3)2x
t
y = = = = x² + b
2X
x+
13
2y=-3x+13)
6=27
2 == +6
3x+2y=13
y=-2x+
2
3.
Answers
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途中式どうなるか教えて欲しいです><