б) 45 + 24*5 - (59 - 9) = 45 + 120 - 50 = 115
г) 270:(303:3-11) + 48 = 270:(101-11) + 48 = 270:90 + 48 = 3 + 48 = 51
е) 48 - (31-15)2 - 2 = 48 - 162 - 2 = 48 - 32 - 2 = 14
з) 54:(13-10)2 + 36 = 54:32 + 36 = 18*2 + 36 = 36 + 36 = 72
б) 45 + 24*5 - (59 - 9) = 45 + 120 - 50 = 115
г) 270:(303:3-11) + 48 = 270:(101-11) + 48 = 270:90 + 48 = 3 + 48 = 51
е) 48 - (31-15)2 - 2 = 48 - 162 - 2 = 48 - 32 - 2 = 14
з) 54:(13-10)2 + 36 = 54:32 + 36 = 18*2 + 36 = 36 + 36 = 72