5. ( - 7 + 3) - 12 : ( - 4) + 20 : (1 - 6) =
5.
( - 4) - 12 : ( - 4) + 20 : ( - 5) =
( - 20) - ( - 3) + ( - 4) =
( - 20) + 3 - 4 = - 17 - 4 = - 21
3 - (4.
2 - 5.
3) + ( - 6 + 3) .
8 =
3 - (8 - 15) + ( - 3) .
8 =
3 - ( - 7) + ( - 24) =
3 + 7 - 24 =
10 - 24 = - 14 - 21 : ( - 2 - 5) + ( - 14) + 6 .
(8 - 4.
3) = - 21 : ( - 7) + ( - 14) + 6 .
(8 - 12) = - 21 : ( - 7) + ( - 14) + 6 .
( - 4) =
3 - 14 + ( - 24) = - 11 - 24 = - 35
( - 8) .
3 : ( - 6) - 15 : ( - 3) .
( - 2) + 18 : ( - 1 - 2) =
( - 8) .
3 : ( - 6) - 15 : ( - 3) .
( - 2) + 18 : ( - 3) =
( - 24) : ( - 6) - ( - 5) .
( - 2) + ( - 6) =
4 - 10 + ( - 6) = - 6 - 6 = - 12
(9 - 13) .
( - 5 + 10) - [12 : ( - 3) + ( - 11)] =
( - 4) .
5 - [ 12 : ( - 3) + ( - 11)] =
( - 4) .
5 - [ - 4 - 11 ] =
( - 4) .
5 - ( - 15) =
( - 20) + 15 = - 5
(1 - 7) : 3 .
4 - 16 .
( - 1 + 3) : 8 + ( - 5 - 10) =
( - 6) : 3 .
4 - 16 .
2 : 8 + ( - 15) =
( - 2) .
4 - 32 : 8 + ( - 15) =
( - 8) - 4 + ( - 15) = - 8 - 4 - 15 = - 12 - 15 = - 27.