Question

xếp theo thứ tự tăng dần

3/4,4/5,5/6,6/7

Answer 1

3/4, 4/5, 5/6, 6/7

Answer 2

3/4, 4/5, 5/6, 6/7

Answer 3

3/4<4/5<5/6<6/7

Answer 4

3/4;4/5;5/6;6/7

Answer 5

3/4, 4/5, 5/6, 6/7

Answer 6

3/4=3*105/4*105=315/420

4/5=4*84/5*84=336/420

5/6=5*70/6*70=350/420

6/7=6*60/7*60=360/420

→315/420<336/420<350/420<360/420

hay 3/4<4/5<5/6<6/7