7.5 -11
[(15+3)-20]-14+47(43-39)
(2 - 4 + 12) + (6 - 4)
9/2 + 5/2 . (3+2)
15-4+40-(35:5+7)
27 + 3 - 45 : 5 + 16
40:2+41-7+80
20-17
2/7+4/21+10/12
(8+5). (3+9)
24-11+(21-3+40)
14/2 .5 7. 5 35
27+3-9+16 37
24-11+58 13+58 71
(-2)-14+188 -16+188 172
10+2 12
13 . 12 156
392
20+41-7+80 61-7+80 54+80 134
3
15-4+40-14 11+40-14 37
55/42