👤
AdelinaMcn
a fost răspuns

Se consodera numerele reale a,b,c astfel incat a+2b=11 si b+2c=16.

Determinati:
a) a+3b+2c
b) a+b-2c
c) 2a+4b
d) 3b+6c

Răspuns :

Dana356
a) a +2b=11
b+2c=16
a+3b+2c=27
b) ?
c)a+ 2b=11
a+2b=11
2a+4b=22
d)b+2c=16
b+2c=16
b + 2c= 16
3b+ 6c= 48

Alte intrebari