Question

1+9+2+1+0+9+9x0+2=?

Answer 1

1 + 9 + 2 + 1 + 0 + 9 + 9 x 0 + 2

= 10 + 2 + 1 + 0 + 9 + 0 + 2

= 10 + ( 9 + 1 ) + ( 2 +2 ) + ( 0 + 0 )

= 10 + 10 + 4 + 0

= 20 + 4 + 0

= 24 + 0 = 24

Answer 2

1+9+2+1+0+9+9 x 0+2= 24

Answer 3

1+9+2+1+0+9+9x0+2=24

Answer 4

1+9+2+1+0+9+9x0+2=?

Số cần tìm là:

1+9+2+1+0+9+9x0+2=24

Đáp số:24