Odpowiedzi

2009-12-08T20:56:55+01:00
1. 27/5
2. 2/3
3. 16/3
4. 5/4
5. 25/18
6. 5/4
7. 1
2009-12-08T20:57:32+01:00
2 2/5 : 4/9 = 12/5 : 4/9 = 12/5 × 9/4 = 27/5

3/4 : 1 1/8 = 3/4 × 9/8 = 27/32

4 2/3 : 7/8 = 14/3 × 8/7 = 16/3 = 5 1/3 = 5,(3)

1 1/2 : 1 1/5 = 3/2 × 5/6 = 5/4 = 1 1/4 = 1,25

1 2/3 : 1 1/5 = 5/3 × 5/6 = 25/18

2 3/4 : 2 1/5 = 11/4 × 5/11 = 5/4 = 1,25

3 1/8 :3 3/4 = 25/8 × 4/12 = 25/24 = 1 1/24
2009-12-08T20:59:41+01:00
2 2/5 : 4/9= 12/5 x 9/4 = 5 2/5
3/4 : 1 1/8 = 3/4 : 9/8 = 3/4 x 8/9 =2/3
4 2/3 : 7/8= 14/3 x 8/7= 5 1/3
1 1/2 : 1 1/5= 3/2 : 6/5= 3/2 x 5/6 = 1 1/4
1 2/3 : 1 1/5 = 5/3 : 6/5 = 5/3 x 5/6 = 1 7/18
2 3/4 : 2 1/5= 11/4 : 11/5 = 11/4 x 4/11 = 1 1/4
3 1/8 : 3 3/4= 25/8 : 15/4 = 25/4 x 4/15 = 1 2/3