57.
21=n-57
The product is 1254. The sum is 79.
No, 19 is a factor of 57.
x + y = 57x - y = 11Add: 2x = 68x = 34y = 57 - x = 23Check: 34 - 23 ?=? 11 ? Yes. yay !
57.
57.
21=n-57
The product is 1254. The sum is 79.
No, 19 is a factor of 57.
The sum of the first 57 natural numbers is 1,625.
x + y = 57x - y = 11Add: 2x = 68x = 34y = 57 - x = 23Check: 34 - 23 ?=? 11 ? Yes. yay !
51 + 57 = 108
57
The expression is: 57+b
18
How about: 23+34 = 57