23
10
The sum of 18 and 15 is 33. 10+10=20 & 8+5=13. 20+13=33.
The answer to your question is 10 and three.10 + 3 = 13 (Sum)10 - 3 = 7 (Difference)I hope this helps.
8+5=13. 13/10 = 1 and 3/10
10 + 3 = 13 10 - 3 = 7
They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.
10 + (-3) = 7 10 - (-3) = 13 10 and -3
x+10>13 it wouldn't be x+10-13 ??
The sum is: 11+13+17+19+23 = 83
The sum is 6.
It's the sum of 42 and 13 which is 55.
20