Question

naydi znacheniya virajeniy b+20,14+b,80-b i b-9 pri b=70,b=23 ,b=11

Answer 1

b=70;
70+20=90
14+70=84
80-70=10
70-9=81
b=23;
23+20=43
14+23=37
80-23=57
23-9=14
b=11;
11+20=31
14+11=25
80-11=69
11-9=2