29
29 + 50 + 21 = (29 + 50) + 21 = 79 + 21 = 100 or 29 + 50 + 21 = 29 + (50 + 71) = 29 + 71 = 100
? + 29 = 50 The way to find '?' is to take the 29 from 50. 50 - 29 = 21 ? = 21 21 is the answer.
449
1 plus 2 plus 3 plus 4 equal 10. 10 times 5 equals 50.
90.
93+050+50-792+180+13and so on
To use the distributive property for the addition of 21 and 56, you can break down one of the numbers. For example, you can express 56 as 50 + 6. Then, you can rewrite the equation as 21 + (50 + 6). By grouping, it simplifies to (21 + 50) + 6, which equals 71 + 6, resulting in a total of 77.
65 + 65 + 65 + 90 + 90 + 90 + 90 + 50 + 50 + 50 + 50 + 50 + 50 + 20 + 20 + 20 + 20 + 20 + 20 + 20 = 995
6 + 3 + 21 + 63 + 21 = 114
21
20 + 50 + 20 + 10 = 50 = 150
21+21+19+19=80