what is the smallest no . that should be added to 45454 to make it exactly divisible by 9 ?
"if a number is divisible by 9 , the sum of its digits must be a multiple of 9 . here , 4 + 5 + 4 + 5 + 4 = 22 , the next multiple of 9 is 27 . 5 must be added to 45454 to make it divisible by 9 c"
add(subtract(9, reminder(45454, 9)), const_2)