Question

a + a = 1 vậy a + a + a =

Answer 1

a + a = 1 

=> a = 1 : 2 = 0,5 

=> a + a + a = 0,5 + 0,5 + 0,5

= 1,5 

Answer 2

a+a=1 vậy a+a+a=1,5

Answer 3

Ta có :

\(a+a=1\Leftrightarrow2a=1\Rightarrow a=\frac{1}{2}.\)

\(\Rightarrow a+a+a=3.a=3.\frac{1}{2}=\frac{3}{2}\)

Answer 4

1,5 nha