There is no "sum of 20". To have a sum, you have to have at least 2 things to add together.
The sum of 7 & 13 = 7 + 13 = 20
Something like this: sum = 0 for i = 2 to 20 step 2 { sum = sum + i }
Difference between the sum of the squares and the square of the sums of n numbers?Read more:Difference_between_the_sum_of_the_squares_and_the_square_of_the_sums_of_n_numbers
what is the meaning for partial sums
You should use your calculator for such simple sums. It is far quicker and involves fewer key depressions than posting the question on WA.
Neither; the sums are equal.
3x + 2(30-x) = 40 3x + 60 - 2x = 40 x = -20
The only sum of 14 can be 14.
1.918 is the answer Partial Sums: 1.055 +.863 ----------- 1.918
No actually dim sum is not that healthy
910
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