Afla nr necunoscut 171200-b=75300 d+99999=214000 291-f+1006=5000 1700-(h+69)=500

Răspuns :

b=171200-75300=95900
d=214000-99999=114001
f+1006=5000-291
f+1006=4709
f=4709-1006
f=3003
1700-h+79=500
1700-h=500-69=431
h=1700-431=1269