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対偶証明法(a, b がともに無理数ならば, a + b, a − b の少なくとも一方は無理数である)

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数新会　大川Labo

2 weeks ago

対偶証明法(a, b がともに無理数ならば, a + b, a − b の少なくとも一方は無理数である)

対偶証明法(a, b がともに無理数ならば, a + b, a − b の少なくとも一方は無理数である)

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