Subtract multiples of 100 (no exchange) timed
Subtract multiples of 100 from 4-digit numbers with no exchange.
Subtract multiples of 100 (no exchange) timed
Subtract multiples of 100 from 4-digit numbers with no exchange.
Subtract multiples of 100 from 4-digit numbers with no exchange.
Subtract multiples of 100 from 4-digit numbers with no exchange.