Question

SE X=1/5 CALCULE OS VALORES DAS EXPRESSSOES: A)6+5X2 B)X2+3X

Answer 1

X = 1/5
A) 6 + 5 . (1/5) . 2 
6 + 5/5 . 2
6 + 1 . 2 = 8 

B) (1 . 2) / 5 + (1 . 3) / 5
2/5 + 3/5 
(2 + 3) / 5 
5 / 5 = 1