Mathematics
Junior High
109も106も3つずつなのになんで二乗でまとめられるんですか？
また式中のマイナス2はどこへいったんでしょうか
=8000
8000
TX
=IX
(5) 109×109-2×109×106+106×106
=(109-106) 2
=32
=9
9
=π
=30
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