After duplex numbers, let us learn multiplication by triplex numbers. As the name suggests, numbers like 111, 222, 333 are triplex numbers. The method is similar to that of multiplication by duplex ...

Multiplication and division are connected. Think about the times table facts you have been learning. 3 'multiplied by' 7 makes 21. 7 'times' 3 equals 21. The inverse operation is division. 21 'shared ...