1,5+0,5+3,05=
5-0,111=
25,84-3,8=
28,36+9,555

1,5 + 0,5 + 3,05 = 2 + 3,05 = 5,055 - 0,111 = 4,88925,84 - 3,8 = 22,0428,36 + 9,555 = 37,9155 2/7 - 2 4/7 = 4 9/7 - 2 4/7 = 2 5/77 3/4 + 11 2/4 = 18 5/4 = 19 1/41/2 + 0,3 = 1/2 + 3/10 = 5/10 + 3/10 = 8/10 = 4/5