0
Wiki User
One and one seventh.
The product of 7*8*9 = 504
7 x 8 = 56
four
8
The 'missing' number is... 7 !
7/8 multiplied by 8 equals 7.
7 over 8
8 x 7 = 56
23
-7 x 8
-7
7 times 8 = 56