81 minus 34 divided by 2 = 64.
0.1111
9
3
81
11.5714
0.122
if x is equal to the square root of 81 then x is ±9 (plus or minus 9)
9x9=81
There are several combinations that could equal 81 when subtracted. For example, 100 - 19 = 81, or 90 - 9 = 81.
Yes. Nice work!
81
34, 92, 274/3