9*1=9
9*2=18
9*3=27
9*4=36
9*5=45
9*6=54
9*7=63
9*8=72
9*9=81
9*10=90
Tick nha
9 . 0 = 9
9 . 1 = 9
9 . 2 = 18
9 . 3 = 27
9 . 4 = 36
9 . 5 = 45
9 . 6 = 54
9 . 7 = 63
9 . 8 = 72
9 . 9 = 81
9 . 10 = 90
9 . 11 = 99
........
9 x 1 = 9 9 x 6 = 54
9 x 2 = 18 9 x 7 = 63
9 x 3 = 27 9 x 8 = 72
9 x 4 = 36 9 x 9 = 81
9 x 5 = 45 9 x 10 = 90.
9 x 1 = 9
9 x 2 = 18
9 x 3 = 27
9 x 4 = 36
9 x 5 = 45
9 x 6 = 54
9 x 7 = 63
9 x 8 = 72
9 x 9 = 81
9x1=9
9x2=18
9x3=27
9x4=36
9x5=45
9x6=54
9x7=63
9x8=72
9x9=81
9x10=90