You remember that 'sum' means addition so that's b+11
y + 11
-8 and -3 have a sum of -11 and product of 24
The sum is: (11-2)*180 = 1620 degrees
The estimated sum is 11 The actual sum is 10 and 19/24
The sum of addends 11 and 15 is: 11 + 15 = 26
The sum of 88 and 11 is 99.
The sum of 11 and 7 is 18.
The sum of 8, 11 and 9 is 28.
You remember that 'sum' means addition so that's b+11
11. Sum means to add 3+8=11
b+11
y + 11
11
11
-8 and -3 have a sum of -11 and product of 24
The sum is: (11-2)*180 = 1620 degrees