a) 7/8 > 5/6 b) 2/5 < 1 c)7/6 < 7/4
2/5 < 3/7 7/6 > 1 12/17 < 12/13
1/4 > 1/6 21/21 = 1 2/3 > 2/5
7/8 > 5/6 2/5< 1 7/6<7/4
2/5 < 3/7 7/6 > 1 12/17 < 12/ 13
1/4 > 1/6 21/21=1 2/3 > 2/5
ủng hộ mk nha bn
a)7/8 >5/6 b)2/5<1 c)7/6<7/4
2/5<3/7 7/6>1 12/17<12/13
1/4>1/6 21/21=1 2/3>2/5