3/7 * 14/20=
1 1/3 *2/3=
2 2/7 * 1 1/16 =
5 1/2 - 1 1/4=
6 7/10* 4 2/20=
4/5 : 2/10=
2/7:2/14=
1 1/2 :2/3=
4 1/5 :2 1 /21=
6 2/8 :1 1/4=
5 6/7:2/14=
3 3/9:2 2/18=
prosze pomóżcie daje 25 punktów!!!:p
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3/7 * 14/20 = 6/20 = 3/10 = 0,3
1 1/3 * 2/3 = 4/3 * 2/3 = 8/9
2 2/7 * 1 1/16 = 15/7 * 9/8 = 135/56 = 2 23/56
5,5-1,25 = 4,25
6 7/10 * 4 1/10 = 67/10 * 41/10 = 2747/100 = 27,47
4/5 : 2/10 = 4/5 * 10/2 = 4
2/7 : 2/14 = 2/7 * 14/2 = 2
1 1/2 : 2/3 = 3/2 * 3/2 = 9/4 = 2 1/4
4 1/5 : 2 1/21 = 21/5 * 43 /21 = 43/5 = 8,6
6 2/8 : 1 1/4 = 6 1/4 : 1 1/4 = 25/4 * 4/5 = 100/20 = 5
5 6/7 : 2/14 = 41/7 * 14/2 = 41/2 = 20,5
3 3/9 : 2 2/18 = 30/9 * 18 / 34 = 60 = 34 = 1 26/34 = 1 13/17