79 & 81, or any whole number from 1 to 79 with any whole number greater than 81.
81
79-81 AD was the 1st century AD.
78 + 79 + 80 + 80 + 81 + 81 = 479
81/135 as a decimal is 0.6
81
79
Two natural isotopes of bromine are known:- bromine-79: 50,69 %- bromine-81: 49,31 %
.79
The fraction 81/100 can be expressed as the decimal .81.
72 73 79 75 76 81 81 85 88
They are: 79+2 = 81