98 - 51 + 27 + 20
108 - 73 + 25 +10 =
63 - 48 + 15 =
80 - 30 + 30 +20 =
107 - 75 + 22 + 10 =
97 - 77 + 10 + 10 =
96 - 40 + 40 + 16 =
45 - 15 + 15 + 15 =
52 - 37 + 15 =