Question

For saifoo and karatechopper only:
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25

Answer 1

325

Answer 2

hey i did not mean tht hard i meant real easy i am in 7th only!

Answer 3

that is real easy :D gauss could do it in 3rd grade :D

Answer 4

there is a trick

Answer 5

haha!

Answer 6

i know but i have not done tht before o well

Answer 7

i can do tht but it would take me a while

Answer 8

post more

Answer 9

What about the sum of the numbers from 1 to 100 ?

Answer 10

@YTheManifold:Are you that teacher who asked you Gauss this same problem ? ;)