3/5 + 0,425 - 0,005 = 0,6 + 0,42 = 1,02
30,5 + 1/6 + 3 1/3 = 30 1/2 + 1/6 + 3 1/3 = 33 + 1/2 + 1/6 + 1/3 =
33 + 3/6 + 1/6 + 2/6 = 33 + 6/6 = 34
6 3/4 + 5 1/2 = 11 + 3/4 + 1/2 = 11 + 3/4 + 2/4 = 11 + 5/4 = 12 1/4 = 12,25
26 / 3 5/7 = 26 / 26/7 = 7
1,02 / 0,1 / 34 + 12,25/7 - 0,05 = 10,2/ 34 +1,75 - 0,05 =
0,3 - 1,75 - 0,05 = 2,05 - 0,05 = 2,0