Răspuns:
1.582+200-o=493
782-o=493
O=782-493
O=289
2.5+620+m=719
625+m=719
m=719-625
m=94
3.(416-415)-sx3=800+4
1-sx3=804
S-1=804:3
S-1=268
S=268+1
S=269
4.(642-460)+42:v=180+8
182+42:v=188
42:v=188-182
42:v=6
V=42:6
V=7
5.(690-3-150)-81-nx2=2
(687-150)-81-nx2=2
537-81-nx2=2
456-nx2=2
-nx2=2-456
-nx2= - 454
n=-454:-2
n=227
6.692+248-[800-(246+264)]-bx8=600+2
692+248-(800-510)-bx8=602
692+248-290-bx8=602
940-290-bx8=602
650-bx8=602
-bx8=602-650
-bx8=-48
b=-48:-8
b=6