(93-56+14)-18:2=

(89-27-43)-14:2=

(93 - 56 + 14) - 18 : 2 = 42
1) 93 - 56 = 37
2) 37 + 14= 51
3) 18 : 2 = -9
4) 51 - 9 = 42
(89 - 27 - 43) - 14 : 2 = 12
1) 89 - 27 = 62
2) 62 - 43 = 19
3) 14 : 2 = 7
4) 19 - 7 = 12