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無限不循環小數和開根開不盡的數叫無理數整數和分數統稱為有理數數學上,有理數是兩個整數的比,通常寫作a/b,這裡b不為零.分數是有理數的通常表達方法,而整數是分母為1的分數,當然亦是有理數.數學上,有理數是一個…
非0數的0次方都等於1
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