Find the sum of -245 and 500

Find the sum of i 153 and -302 ii 1005 and -277 iii -2035 and 297 iv -489 and -324 v -1000 and 438 vi -238 and 500

Subtract the sum of -368 and 245 from -211.

Find the sum of all natural numbers below 500 which are divisible by 8.

Find the sum of all natural numbers between 500 and 1000 which are divisible by 13.

Find the sum of all natural numbers between 50 and 500, which are divisible by 6.

Find the sum of integers between 10 and 500 which are divisible by 7

Find the sum of all integers between 50 and 500, which are divisible by 7.

Find the sum of all integers between 0 and 500 which are divisible by 7.

Find the sum of all integers between 101 and 500, which are divisible by 9.