tim a,b nguyen khac 0 thoa man a + b =ab
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a;b la cac so nguyen khac 0 thoa man ab-ac+bc-c^2=-1
Cho a,b,c la so nguyen khac 0 ]thoa man ab-ac+bc=c^2 -1 . Khi do ab =
Cho a,b,c la so nguyen khac 0 ]thoa man ab-ac+bc=c^2 -1 . Khi do ab =
cho a,b,cla mot so nguyen khac 0 thoa man ab-ac-bc=c^2-1 a/b=
cho a b c la cac so nguyen khac 0 thoa man ab - ac + bc = c^2 -1. khi do a/b bang bn
cho a,b,c la cac so nguyen khac 0 thoa man ab-ac+bc=c^2-1.khi do a/b =
tim a,b,c khac 0 thoa man :a+b+c=(ab+ac)/2=(bc+ba)/3=(ca+cb)/4
Tim a,b,c thoa man khac 0 thoa man:
a+b-2/c= b+c+1/a= c+a+1/b= a+b+c/ 2
tim 3 so a,b,c khac nhau va khac 0 thoa man : a/(b+c) = b/(a+c) = c/(a+b)