Mathematics
Junior High
Solved
教えてください
おまけ どちらかやってみましょう
(1)) 3x + 13( 2x + 19
3と-2Xニタ-13
2X =16
X=8
SX+y=7
(x-y=3
x,y の値を求めましょう
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ありがとうございます😊
すごくわかりやすいです