RoseLatte

1 Questions
1 Answers

+1

67

5

+6

Please help with a detailed explanation!

Question: What is the smallest four digit multiple of 9 with four distinct digits?
It looks easy but I don't want my solution to be found just through trial and error, is there a better and more efficient way to do this problem without read more ..

Bosco ●●●●●

RoseLatte Aug 3, 2023