16:8+(42:6)+(47×4)=
7×5-12:3+20×4-92=
21×65:7+4-9×3^2=
35:5 -(6×3)+(25:5)+4*3=
(10:2+41)-(17×3-32)=
56×6×(81:9)-(72×2)=
(25:5+5)+(5×5-4)=
2[18+3(13-9)-5]=
50
197
19
118
2.880
31
58
27
