(7*4+42)-2*6÷4
(37+4*7-17)÷6
7×5+(5*9-25)÷4
2*3*9-48÷8*3
9*4+6*7-(2*7+54)

(7*4+42)-2*6÷4=67
(37+4*7-17)÷6=8
7*5+(5*9-25)÷4=40
2*3*9-48÷8*3=36
9*4+6*7-(2*7+54)=10

(28+42)-12:4=70-3=67
(37+28-17):6=48:6= 8
35+5=40
45-18=36
36+42-(14+54)=78-68=10