Odpowiedź :
Odpowiedź:
a) 1/2 : 3/4 = 1/2 × 4/3 = 2/3
4/5 : 6/7 = 4/5 × 7/6 = 14/15
5/8 : 3/10 = 5/8 × 10/3 = 25/12 = 2 1/12
b) 5/7 :1 2/5 = 5/7 : 7/5= 5/7× 5/7 = 25/49
2/5: 4/9= 2/5 × 9/4= 9/10
3/4: 1/8= 3/4× 8/1= 6/1= 6
c) 1 2/9: 1 5/6= 11/9:11/6= 11/9× 6/11= 2/3
4 2/3: 4 1/3= 14/3: 13/3= 14/3× 3/13= 14/13= 1 1/13
3 1/8: 3 3/4= 25/8 : 15/4= 25/8× 4/15= 5/6
d) 1 1/2: 1 1/5= 3/2: 6/5= 3/2× 5/6= 5/4= 1 1/4
1 2/3: 1 1/9= 5/3: 10/9= 5/3×9/10= 3/2= 1 1/2
2 3/4: 2 1/5= 11/4: 11/5= 11/4× 5/11= 5/4= 1 1/4.