Question

|a| + a nếu a >0

Answer 1

2a

Answer 2

Nếu a > 0 => |a| = a

=> |a| + a = a + a = 2a

Answer 3

a>0 =>lal=a

=>lal+a=a+a

=>lal+a=2.a

tick cho Mk với nha❤️

Answer 4

Khi a > 0 thì |a| = a

\(\Rightarrow\left|a\right|+a=a+a=2a\)