How about: 5*9 = 45 as one example
This is most often defined as the set of multiplication problems created by single-digit numbers. It includes problems from 1 x 1 to 9 x 9. Some people extend the definition to include multiplication problems up to 12 x 12.
9x824x3 2x364x186x12i think the person just wanted numbers in 2 through 12so 9*8, and 6*12 is the best
2.5 x 2 and 1 x 5
As many as desired. An infinite number is possible.
22x111x21x222x11
1x82x4
Infinite
Infinitely many.
70*1.1 is one example.
2 x 18, 3 x 12.
3 are the ones i counted
How about: 5*9 = 45 as one example
This is most often defined as the set of multiplication problems created by single-digit numbers. It includes problems from 1 x 1 to 9 x 9. Some people extend the definition to include multiplication problems up to 12 x 12.
Six: 1 x 12, 2 x 6, 3 x 4, 4 x 3, 6 x 2, 12 x 1.
Any, and every, multiplication problem must be "less than equal to or greater than one".
9x824x3 2x364x186x12i think the person just wanted numbers in 2 through 12so 9*8, and 6*12 is the best