256 + 112 = 368, however if you meant what is the sum of 2,5,6 + 1,1,2, then that would be 13 (2+5+6) + 4 (1,1,2) = 17.
25
The sum of 1/2 and 2/5 is 9/10
The sum of 2 1/2 and 5/3 is 4 1/6.
41
The sum of 3 1/2 and 2 1/3 is 5 5/6
The sum of 2/3 and 5/6 is 1 1/2.
The sum of 1/2 and 5/8 is 1 1/8
25
(n2 + n)/2 1+2+3+4+5+n= 15+n
The sum of 1/2 and 2/5 is 9/10
The sum of 5/12 and 2/3 is 1 1/12The sum of 5/12 and 2/3 is 1 1/12
The sum of 2 1/2 and 5/3 is 4 1/6.
41
The sum of 3 1/2 and 2 1/3 is 5 5/6
1 2/5
500,000,500,000 is the answer.
The answer is -7. minus three plus one is minus two, adding a negative is the same as subtraction and so plus negative five means minus 5 so the sum is -2-5=-7 The Sum= -3+1-5 -2-5 -7