A=10^8+2/10^8-1=10^8-1+3/10^8-1
=10^8-1/10^8-1+3/10^8-1=1+3/10^8-1=1/3/...
B=10^8/10^8-3=10^8-3+3/10^8-3
=10^8-3/10^8-3+3/10^8-3=1+3/10^8-3=1/3/...
tu (1) va (2) =>1/3/10^8-1<1/3/10^8-3(vi phân so nao
co mau be hon thi phân so do lon hon nen 10^8-1>10^8-3)
Hay A<B
k mk nha