Ответ:\(40 - 27 = 13\);\(59 + 12 = 71\);\(53 + 18 = 71\);\(84 - 37 = 47\);\(80 - 13 = 67\);\(60 + 27 = 87\);\(46 + 29 = 75\);\(71 - 35 = 36\).