1.
60 – 16 – 12 + (59 – 23)
2.
29 + 46 + 16 – (6 + 38)
3.
57 + (46 + 36) – 17 + 31
4.
(29 + 38 + 17) – 8 + 29
5.
52 + (33 + 19) + 35 + 44
6.
(53 – 19 – 16) – 7 – 6
7.
78 – 38 + 79 – 28 + 18
8.
62 + 75 – 99 + 29 + 60
9.
79 + 68 + 64 + 93 + 79
10.
73 + 44 – 92 + 50 + 57
11.
87 + 33 – 64 + 35 – 77
12.
35 + 78 + 93 – 45 + 42
