Mathematics
Junior High
Solved
3行目なんですけど、なんで急に「4²」が出てくるんですか?全体の解説もおねがいします🙇🙇
了着mumnres放
(1) ダダ十8zヶ一65=0
ダ十8z=テ65
ダ十8z十ダー65十42
(十4)*ー81
ァ十4三土9
ァニテー4土9
ぎの5。 一48
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