There are many pairs of numbers that add up to 21. Here are a few examples:
10 + 11 = 21
9 + 12 = 21
8 + 13 = 21
7 + 14 = 21
6 + 15 = 21
And so on. Essentially, any two numbers whose sum is 21 would be the solution to this question.
The mathematical statement 31 plus 21 equals 52 as a total.
21+21+19+19=80
12 plus 9 equals 21.
The statement 10 plus 21 equals 31 in total. It can also be written as 10 + 21 = 31.
66.
273 13+8 = 21 and 13*21 = 273
5
The answer is 21 because if 21 is divided by 3 it equals 7 plus 4 equals 11.
identity
21 + 10 = 31
21
21