A-8 a+10 приa=12, a=20,a=28,a=43.

Question

A-8 a+10 приa=12, a=20,a=28,a=43.

Answer 1

12-8=4
12+10=22
20-8=12
20+10=30
28-8=20
28+10=38
43-8=35
43+10=53