Repede, va rog!!! Am nevoie de ajutor. Dau 5 stele si coroana

Răspuns:
1.8×111³-(2×111)³
8×111³-2³×111³
(8-2³)×111³
(8-8)×111³
0×111³=0
2.XXVII
3.1+3+5=9
4.4000
5.(a+c)-(b+d)=215-115=100
6.x+27=35=>x=8