Question

daca a+b =2,6și c+d=3,8 calculați a) 4a+5b+c b)3a+7b+4c c)5a+7b+2c ​

Answer 1

4•2+5•6+3=41

3•2+7•6+4•3=60

5•2+7•6+2•3=58

Answer 2

Răspuns:

a) a = 2, b = 0,6, c=3

4x2+5x0,6+3 = 14

b) 3x2+7x0.6+4x3 = 22,2

c) 5x2 + 7x0,6 + 2x3 = 20,2