a=68,b=?,c=2,a*(b+c),(a+b):c=56


Răspuns :

a=68
b=?
c=2

(a+b):c=56⇒a+b=56*c⇒a+b=112
a+b=112
a=68
68+b=112
b=112-68⇒b=44

a*(b+c)=68*(b+2)= 56*(44+2)=2576