Question

Tính nhẩm :

9 x 4 =

9 x 2 =

9 x 5 =

9 x 10 =

9 x 1 =

9 x 7 =

9 x 8 =

0 x 9 =

9 x 3 =

9 x 6 =

9 x 9 =

9 x 0 =

Answer 1

9 x 4 = 36

9 x 2 = 18

9 x 5 = 40

9 x 10 = 90

9 x 1 = 9

9 x 7 = 63

9 x 8 = 72

0 x 9 = 0

9 x 3 = 27

9 x 6 = 54

9 x 9 = 81

9 x 0 = 0