Question

3+5+6+7+8+9+9+9+9+999999999

Answer 1

3+5+6+7+8+9+9+9+9+999999999=

3+5+6+7+8+9+9+9+9+1000000000-1=

64+1000000000=1000000064

Answer 2

To calculate the sum of these numbers, simply add them together:

3 + 5 + 6 + 7 + 8 + 9 + 9 + 9 + 9 + 999999999 = 1000000054