Question

\(8+9+1+3+2+5-7=?\)

k mk 3 cái nha mk k lại 

Answer 1

21 ban a

Answer 2

\(8+9+1+3+2+5-7=21\)

k mk 3 cái nha mí bn 

Answer 3

bang 21 k minh minh k lai

Answer 4

= 21 nha ^_-

Answer 5

21 nha bạn