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 =
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 =
a;b la cac so nguyen khac 0 thoa man ab-ac+bc-c^2=-1
cach giai bai cho a,b,c thuoc so nguyen va khac 0 thoa man ab-ac+bc=c^2 -1 . khi do a/b=
Cần cách giải nữa nhé . thanks
cho a,b,cla mot so nguyen khac 0 thoa man ab-ac-bc=c^2-1 a/b=
cho 2 so nguyen a va b (b khac 0).chung to rang cac cap phan so sau day luon bang nhau: a/-b va -a/b -a/-b va a/b
mong cac ban giup mk
mk cam on
chung minh rang neu 2 so a,b la 2 so nguyen khac 0 va a la boi cua b;b la boi cua a thi:a=b hoac a=-b
giup mk nhe mk can gap