Question

256: 2.x =2

 

Answer 1

\(256\div2.x=2\)

\(2.x=256\div2\)

\(2.x=128\)

\(x=128\div2\)

\(x=64\)

Answer 2

So sánh A và B biết:

A= \(\frac{10^{100}+1}{10^{101}+1}\)

B=\(\frac{10^{101}+1}{10^{102}+1}\)