the difference of a two digit number and the number obtained on reversing the digit is always divisible by 9 (say it is true or false) with equation
Answers
Answered by
0
xy - yx
10 x + y - 10 y -x
9x -9y
9(x-y)
so it's always divisible by 9
10 x + y - 10 y -x
9x -9y
9(x-y)
so it's always divisible by 9
Similar questions