79 + 79 = 158 / 2 = 79.
Sum = 79*(79+1)/2 = 79*80/2 = 3160
81
well a=9 251
79, -79
400 dived by 2 is 200 dug
1,042
The answer is 169.78. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.
79 + 79 = 158
Not sure about dived, but 2 divided by 701 = 0.002853, approx.
a + 79
9h + 2 = -79 9h = -81 h = -81/9 h = -9
9h + 2 < - 79 9h < - 81 h < - 9