Mathematics
Junior High
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何故答えが 6√7/5 になるのですか?
8√7/5 では無いのですか?

+7 + 7 + 7 + 77 X 27 √7 7x√7 5 √7 5 √7X√7 √77√7 + 7 +√7 √7-6√7 5 5 √7 5

Answers

Answers

2行目の7√7/7の時に7√7の7と分母の7で
約分するから3行目で√7/5たす√7で通分して
√7/5+5√7/5で6√7/5になる感じだと思います

Clearnote User

こうゆう感じです

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