Question

2 + 5 = ...

Answer 1

2 + 5 = 7 tích nha

Answer 2

2 + 5 = 5 + 2 = 7

      DS : 7

Answer 3

=tự hiểu

Answer 4

\(2+5=2+2+2+1=2\cdot3+1=6+1=7\)

Answer 5

2 + 5= 7k nha

Answer 6

2 + 5 = 10

Answer 7

2+5=7

nha.