\(\frac{201201}{202202}=\frac{201}{202}\)
\(\frac{201201}{202202}\) \(=\) \(\frac{201201:1001}{202202:1001}\) \(=\) \(\frac{201}{202}\)
Học tốt !
ta rút gọn như sau
ta lấy 201201/202202=201201:1001/202202:1001=201/202
2001201/202202 ------ 201/202