Question

a+b+c+d=1920 a+b=384 a+b+c=896 b+c+d=1792 ___________________ aflați Nr. a,b,c,d​

Answer 1

Înlocuim:896+d=1920

d=1920-896

d=1024

384+c+1024=1920

c+1408=1920

c=1920-1408

c=512

b+512+1024=1792

b+1536=1792

b=1792-1536

b=256

a+256=384

a=384-256

a=128