121212/131313 = 12/13
=> 12/13 < 12/ 18
Vậy ..........
k mình nha
121212/131313
=12/13
12/13>12/18
=> 121212/131313>12/18
k minh nha
\(\frac{121212}{131313}\)=\(\frac{121212:10101}{131313:10101}=\frac{12}{13}\)< \(\frac{12}{18}\)
\(\frac{121212}{131313}\)=\(\frac{121212:10101}{131313:10101}\)=\(\frac{12}{13}\)
Vì 13 < 18 \(\Rightarrow\)\(\frac{12}{13}\)>\(\frac{12}{18}\)
Hai PS bằng nhau vì 121212/131313 cùng chia cho 101010 thì sẽ ra 12/13 và 12/13 giữ nguyên
đúng tk mik nha
\(\frac{121212}{131313}=\frac{12}{13}\)
\(\Rightarrow\frac{12}{13}>\frac{12}{18}\)