You will need a Active Domain Server (e.g. a computer running Windows Server as the operating system) as far as I remember.
64 add 81 = 145
110
To calculate it you add 81 and 57, then divide by 2.
The MG-81 was a 7.92 mm belt fed machine gun (German) used by the Luftwaffe to replace the MG-34 which was a drum fed machine gun.
How to add fractions on a texas instruments TI-81
There are infinitely many different choices of 3 numbers that add up to 81. 50 + 30 + 1 = 81 40 + 40 + 1 = 81 10 + 11 + 60 = 81 etc.
81 and 4
83
Add 3, add 9, add 27, add 81 Adding successive powers of 3.
81. Simply add them together. 43 + 38 = 81.
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327