Subtract from 10,000 (2)
Subtract any 4-digit multiple of 10 from 10,000.
Subtract from 10,000 (2)
Subtract any 4-digit multiple of 10 from 10,000.
 
                    Subtract any 4-digit multiple of 10 from 10,000.
Subtract any 4-digit multiple of 10 from 10,000.
