* Giai: 1/4< 2/19 ( tu 1 be hon tu 2 ).
1/14 = 1x19/14x19 = 19/266
2/19 = 2x14/19x14 = 28/266
mà 19/266 < 28/266 suy ra 1/14 < 2/19
k mk nha
\(\frac{1}{14}\)và\(\frac{2}{19}\)
Ta có:
\(\frac{1}{14}=\frac{2}{28}\)
Mà:
\(\frac{2}{28}< \frac{2}{19}\)
Nên:
\(\frac{1}{14}< \frac{2}{19}\)
*HỌC TỐT*