Mathematics
Junior High
計算の仕方を教えて下さい
二番目の画像は答えです。
分母のまとめ方がわかりません(分母の打ち消し方が特にわかりません)
5 3
(3⑬ と
(7 +2)(V 7 ータ2)
7+4ツティ4ー7ー4ツイトる) _SVテ
7ー4 3
上lu 。 mmmw
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