Question

3. Daca x = 5 si a + b = 13, calculati:
a) 3 • x + 7 • a + 7 • b ;
b) x • a + x • b - 50 ;

Answer 1

Răspuns:

3•x+7•(a+b)

3•5+7•13

15+91

106

x•(a+b)-50

5•13-50

65-50

15