Question

1+2+3+4+5+6+7+8+9+10=?????????????
answer 55

Answer 1

it is the answer = 1+2+3+4+5+6+7+8+9+10=55

Answer 2

Answer:

if p is a prime number and p divides k2 then p divides, k+3, 3k-1,k,3k+2