把数字1-9填入以下括号内,使等式成立,()/()*()+()/()*()+()/()*()=1注意:分子为(),分母为()*()
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![把数字1-9填入以下括号内,使等式成立,()/()*()+()/()*()+()/()*()=1注意:分子为(),分母为()*()](/uploads/image/z/1019616-24-6.jpg?t=%E6%8A%8A%E6%95%B0%E5%AD%971-9%E5%A1%AB%E5%85%A5%E4%BB%A5%E4%B8%8B%E6%8B%AC%E5%8F%B7%E5%86%85%2C%E4%BD%BF%E7%AD%89%E5%BC%8F%E6%88%90%E7%AB%8B%2C%EF%BC%88%EF%BC%89%2F%EF%BC%88%EF%BC%89%2A%EF%BC%88%EF%BC%89%2B%EF%BC%88%EF%BC%89%2F%EF%BC%88%EF%BC%89%2A%EF%BC%88%EF%BC%89%2B%EF%BC%88%EF%BC%89%2F%EF%BC%88%EF%BC%89%2A%EF%BC%88%EF%BC%89%3D1%E6%B3%A8%E6%84%8F%EF%BC%9A%E5%88%86%E5%AD%90%E4%B8%BA%EF%BC%88%EF%BC%89%2C%E5%88%86%E6%AF%8D%E4%B8%BA%EF%BC%88%EF%BC%89%2A%EF%BC%88%EF%BC%89)
把数字1-9填入以下括号内,使等式成立,()/()*()+()/()*()+()/()*()=1注意:分子为(),分母为()*()
把数字1-9填入以下括号内,使等式成立,()/()*()+()/()*()+()/()*()=1
注意:分子为(),分母为()*()
把数字1-9填入以下括号内,使等式成立,()/()*()+()/()*()+()/()*()=1注意:分子为(),分母为()*()
一共有48种做法:
1/(3*6)+7/(2*4)+5/(8*9)= 1
1/(3*6)+7/(4*2)+5/(8*9)= 1
1/(6*3)+7/(2*4)+5/(8*9)= 1
1/(6*3)+7/(4*2)+5/(8*9)= 1
7/(2*4)+1/(3*6)+5/(8*9)= 1
7/(4*2)+1/(3*6)+5/(8*9)= 1
7/(2*4)+1/(6*3)+5/(8*9)= 1
7/(4*2)+1/(6*3)+5/(8*9)= 1
7/(2*4)+5/(8*9)+1/(3*6)= 1
7/(4*2)+5/(8*9)+1/(3*6)= 1
7/(2*4)+5/(8*9)+1/(6*3)= 1
7/(4*2)+5/(8*9)+1/(6*3)= 1
1/(3*6)+5/(8*9)+7/(2*4)= 1
1/(3*6)+5/(8*9)+7/(4*2)= 1
1/(6*3)+5/(8*9)+7/(2*4)= 1
1/(6*3)+5/(8*9)+7/(4*2)= 1
5/(8*9)+1/(3*6)+7/(2*4)= 1
5/(8*9)+1/(3*6)+7/(4*2)= 1
5/(8*9)+1/(6*3)+7/(2*4)= 1
5/(8*9)+1/(6*3)+7/(4*2)= 1
5/(8*9)+7/(2*4)+1/(3*6)= 1
5/(8*9)+7/(4*2)+1/(3*6)= 1
5/(8*9)+7/(2*4)+1/(6*3)= 1
5/(8*9)+7/(4*2)+1/(6*3)= 1
1/(3*6)+7/(2*4)+5/(9*8)= 1
1/(3*6)+7/(4*2)+5/(9*8)= 1
1/(6*3)+7/(2*4)+5/(9*8)= 1
1/(6*3)+7/(4*2)+5/(9*8)= 1
7/(2*4)+1/(3*6)+5/(9*8)= 1
7/(4*2)+1/(3*6)+5/(9*8)= 1
7/(2*4)+1/(6*3)+5/(9*8)= 1
7/(4*2)+1/(6*3)+5/(9*8)= 1
7/(2*4)+5/(9*8)+1/(3*6)= 1
7/(4*2)+5/(9*8)+1/(3*6)= 1
7/(2*4)+5/(9*8)+1/(6*3)= 1
7/(4*2)+5/(9*8)+1/(6*3)= 1
1/(3*6)+5/(9*8)+7/(2*4)= 1
1/(3*6)+5/(9*8)+7/(4*2)= 1
1/(6*3)+5/(9*8)+7/(2*4)= 1
1/(6*3)+5/(9*8)+7/(4*2)= 1
5/(9*8)+1/(3*6)+7/(2*4)= 1
5/(9*8)+1/(3*6)+7/(4*2)= 1
5/(9*8)+1/(6*3)+7/(2*4)= 1
5/(9*8)+1/(6*3)+7/(4*2)= 1
5/(9*8)+7/(2*4)+1/(3*6)= 1
5/(9*8)+7/(4*2)+1/(3*6)= 1
5/(9*8)+7/(2*4)+1/(6*3)= 1
5/(9*8)+7/(4*2)+1/(6*3)= 1