Разложи каждое число на разрядные слагаемые и потом сложи, комфортно группируя.

74 + 48 = 70 + 4 + 40 + 8 = 70 + 40 + 4 + 8 = 110 + 12 = 122 ;

36 + 95 = 30 + 6 + 90 + 5 = 30 + 90 + 6 + 5 = 120 + 11 = 131 ; 

160 + 94 = 100 + 60 + 90 +4 = 190 + 60 + 4 = 250 + 4 = 254 ;

69 + 43 = 60 +9 + 40 + 3 = 100 + 12 = 112 ;

85 + 190 = 80 + 5 + 100 + 90 = 180 + 90 + 5 = 270 + 5 = 275 ;

53 + 78 = 50 + 3 + 70 + 8 = 120 + 11 = 131 ;

290 + 48 = 200 + 90 + 40 + 8 = 200 + 130 + 8 = 330 + 8 = 338 ; 

180 + 60 = 100 + 80 + 60 = 100 + 140 = 240 ;

370 + 160 = 300 + 70 + 100 + 60 = 400 + 130 = 530 ;

40 + 190 = 40 + 100 + 90 = 100 + 130 = 230 ;

140 + 270 = 100 + 40 + 200 + 70 = 300 + 110 = 410 ;

150 + 60 = 100 + 50 + 60 = 100 + 110 = 210 ;

450 + 180 = 400 + 50 + 100 + 80 = 500 + 130 = 630.