23-(7+4) = 12
87-(34+24) = 29
39-(15-11) = 35
87-34-24 = 29
39-15+11 = 35
23-7-4 = 12
39-(15+11) = 13
23-(7-4) = 20
87-(34-24) = 77
2)29
3)35
4)29
5)35
6)12
7)13
8)20
9)77
Вибирай не однаково вийшло!!))
23-(7+4) = 12
87-(34+24) = 29
39-(15-11) = 35
87-34-24 = 29
39-15+11 = 35
23-7-4 = 12
39-(15+11) = 13
23-(7-4) = 20
87-(34-24) = 77