Question

1 + 10 + 19 = ? 

Answer 1

= 30 k mk nha p. Ths p nhìu

Answer 2

      1 + 10 + 19

 = 11 + 19 = 30

Answer 3

\(1+10+19\)

\(=10+\left(1+19\right)\)

\(=10+20\)

\(=30\)

Answer 4

\(1+10+19=30\left(hihi\right)\)

Answer 5

1+10+19= 11+19= 30

Answer 6

=10+(1+19)

=10+20

=30

Answer 7

1+10+19=30

Answer 8

30 

tích mk nhé