Odpowiedź:
68/10 - 15/4 = 136/20 - 75/20 = 61/20 = 3 1/20 = 3,05
22/10 + 5/8 = 88/40 + 25/40 = 113/40 = 2 33/40 = 2,825
16/10 x 1/4 = 16/40 = 4/10 = 0,4
19/5 x 33/10 = 627/50 = 12 27/50 = 12,54
55/10 : 1/2 = 55/10 x 2/1 = 110/10 = 11
3/4 : 1/2 = 3/4 x 2/1 = 6/4 = 1 2/4 = 1 1/2 = 1,5
22/10 x 5/2 = 110/20 = 5 10/20 = 5 1/2 = 5,5
34/10 : 1/8 = 34/10 x 8/1 =272/10 = 27 2/10 = 27,2
28/5 : 34/10 = 28/5 x 10/34 = 280/170 = 28/17 = 1 11/17 = 1,647
26/3 : 275/100 =26/3 x 100/275 = 2600/825 = 104/33 = 3,15
44/10 : 5/6 = 44/10 x 6/5 = 264/50 = 132/25 = 5 7/25 = 5,28
18/5 : 36/10 = 18/5 x 10/36 = 180/180 = 1
35/4 : 275/100 = 35/4 x100/275 = 3500/1100 = 35/11 = 3 2/11 = 3,18
8/10 : 1/6 = 8/10 x 6/1 = 48/10 = 24/5 = 4 8/10 = 4,8
23/4 : 34/10 = 23/4 x 10/34 = 230/136 = 115/68 = 1 47/68 = 1,69
25/3 : 27/10 = 25/3 x 10/27 = 250/81 = 3 7/81 = 3,086
Szczegółowe wyjaśnienie: