合っているかいまいちわかりません‥‥ おしえてください！ - Clearnote

Mathematics

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almost 10 yearsago

合っているかいまいちわかりません‥‥
おしえてください！

Answers

✨ Best Answer ✨

almost 10 yearsago

a²=b²→a=bの裏と対偶が違います
(裏) a²≠b²→a≠b
(対偶) a≠b→a²≠b²

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