232323=23x10101; 2323=23x101
999999=99x10101; 9999=99x101
=> 23/99=2323/9999=232323/999999
Ta có :
\(\frac{2323}{9999}\) \(=\frac{2323:101}{9999:101}\) \(=\frac{23}{99}\)
\(\frac{232323}{999999}\) \(=\frac{232323:10101}{999999:10101}\) \(=\frac{23}{99}\)
\(=>\frac{23}{99}\) \(=\frac{2323}{9999}\) \(=\frac{232323}{999999}\)
#Hemingson