12
11
11 + 1 + 0.01 + 0.11 + 0.111 = 12.321
DR of sum = DR(1+2+3+4) = DR(10) = 1
SUM means plus 4+7=11
When the sum of a number plus 3 is squared, it is 11 more than the sum of the number plus 2 when squared.
The sum of 11/12 and 2/3 = 1 7/12
-11
(5-8)+(1-11) 5-8+1-11 6-19 -13
The sum of -5 plus 11 is 6. When a negative is added to the positive you subtract instead of add to get your answer.
-4
The sum of 2/3 and 4/11 is 1 1/33
3 + 11 = 14