15 x 18
4 x 12
25 x 48 =
( 4 x 6) ( 5 x 5)=
(5 x 5 ) x 8 =
24 x 25 =
25 x 8 =
( 5 x 5)(6 x 8)
(2 x 2) (4 x 3)=
(3 x 5) ( 2 x 9)=
