You cannot. The sum and difference cannot be the same for any pair of non-zero numbers.
use compatible numbers to estimate each difference 84-36
It is 21 and 9. Because you halve 30 to get 15, then add 6 to each to get the difference.
Since their difference is zero, they're the same number.Since they're the same number, each one is 1/2 of 150.Both numbers are 75 .
77
1589/23467
On a five point star
use compatible numbers to estimate each difference 84-36
It is 21 and 9. Because you halve 30 to get 15, then add 6 to each to get the difference.
?
Since their difference is zero, they're the same number.Since they're the same number, each one is 1/2 of 150.Both numbers are 75 .
77
it is impossible
top row 8,1,6 2nd row3,5,7 3rd row 4,9,2
1589/23467
Carefully arrange 12 rows with 8 coins in each row.
21964
2.0999999999999996