How about: 9 times 9 = 81 or 81 times 1 = 81
81 times 7 or 7 times 81 equals 567
81 * 22 = 1,782
20.25
81 x 58 = 4698
how do you not know it is of course cos 9 times 9 equals to 81
3 times 3 times 9
Hf
81 times 6 equals 486
81/3 does.
27 x 3 = 81
It is 81 because 9 times 9 equals 81