Question

(8+20)•7, (36+54):6, (37+63)•7, 250:(137-127), 150:(24:8), 6•(240:10)

Answer 1

(8+20)*7=8*7+20*7=56+140=196
(36+54):=36:6+54:6=6+9=15
(37+63)*7=100*7=700
250:(137-127)=250:10=25
150:(24:8)=150:3=50
6*(240:10)=6*24=6*20+6*4=120+24=144