\(\frac{12}{47}=0,255319...\)
\(\frac{19}{77}=0,246753...\)
\(=>\frac{12}{47}>\frac{19}{77}\)
\(\frac{12}{47}< \frac{19}{77}\)
Kết quả là :
\(\frac{12}{47}>\frac{19}{77}\)
Đáp số : \(\frac{12}{47}>\frac{19}{77}\)
\(\frac{12}{47}\)và \(\frac{19}{77}\)
Ta có : \(\frac{12}{47}=\frac{12.77}{47.77}=\frac{924}{3619}\) \(\left(1\right)\)
\(\frac{19}{77}=\frac{19.47}{77\cdot47}=\frac{893}{3619}\) \(\left(2\right)\)
Từ \(\left(1\right)\)và \(\left(2\right)\), suy ra \(\frac{12}{47}>\frac{19}{77}\)
kết quả là :
\(\frac{12}{47}>\frac{19}{77}\)
đs...
\(\frac{12}{47}=\frac{12.77}{47.77}=\frac{924}{3619};\frac{19}{77}=\frac{19.47}{77.47}=\frac{893}{3619}\)
Vì \(\frac{924}{3619}>\frac{893}{3619}\)
Nên \(\frac{12}{47}>\frac{19}{77}\)
\(\frac{12}{47}\)và \(\frac{19}{77}\)
Ta có : \(\frac{12}{47}=\frac{12\cdot77}{47\cdot77}=\frac{924}{3619}\); \(\frac{19}{77}=\frac{19\cdot47}{77\cdot47}=\frac{893}{3619}\)
Vì : \(\frac{924}{3619}>\frac{893}{3619}\)nên \(\frac{12}{47}>\frac{19}{77}\)