解方程 5x-5/6=5/12 2/3x-1/5x=1
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解方程5x-5/6=5/122/3x-1/5x=1解方程5x-5/6=5/122/3x-1/5x=1解方程5x-5/6=5/122/3x-1/5x=15x-5/6=5/122/3x-1/5x=112*
解方程 5x-5/6=5/12 2/3x-1/5x=1
解方程 5x-5/6=5/12 2/3x-1/5x=1
解方程 5x-5/6=5/12 2/3x-1/5x=1
5x-5/6=5/12 2/3x-1/5x=1
12*(5x-5/6)=5 15*(2/3x-1/5x)=15
60x-10=5 10x-3x=15
x=15/60=1/4 7x=15 x=15/7
5x×(6.6-x)=12 33x-5x =12 5x -33x+12=0 x=33±√(33 -4*5*12)/2*5 x=33±√849/10 x=33±1/10√8490
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