Mathematics
Junior High
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(13)のやり方を教えてください
922:5.
ち
X=
3
1) 25.r- 16=0
25X- 16
16
13) 32.c-18=0
25
32y?-13:0
27:8, Y-ー
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![中学3年2次方程式の問題です。
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