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If you mean the sum of first n natural numbers then the formula is (n(n+1))/2

for example, 1+2+3+4+5=5*6/2=15

Q: What is the formula for 1 plus 2 plus 3 plus 4 plus 5.?

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It is 1 4/3 on the calculator.

The answer is: 3 and 1/2 plus 2 and 3/4 = 6 and 1/4

no if 1 plus 1 equals 2 then 2 plus 2 equals 4.

5.

the answer to 1/3 + 1/6 + 1/6 is 2/3. 1/6 +1/6 equals 2/6 or 1/3 1/3 + 1/3 equals 2/3

Related questions

1+2+3+4=10

(10 + 1) x 10/2

1+2+3+4=10 The formula for adding consecutive numbers is n*(n+1)/2. This could be done easily as mental math, on paper or using a calculator.

-946515634175

The formula for volume is 1/3 Bh ( 1/3 pi times radius squared times the height.) The formula for surface area is 2 pi r h plus 2 pi r squared.

1 + 2 + 3 = 6

43

1 + 2 + 3 + 4.99 = 10.99

1 + 2 + 3 + 4.1 = 10.1

It is 1 4/3 on the calculator.

It is 77

23