Răspuns:
87
Explicație pas cu pas:
2^7:4^3+3^9•27^5:3^20+(3^1•2^4-4^2):2^3=
2^7:(2^2)^3+3^9•(3^3)^5:3^20+(3•16-16):8=
2^7:2^6+3^9•3^15:3^20+(48-16):8=
2^1+3^24:3^20+32:8=
2+3^4+4=
2+81+4=