89
144 9+7 = 16 and 9*16 = 144
As written, that is true. (7 - 1) + 8 = 7 - (1 + 8) is not true.
you do 3 plus 5 first then you get 8 you have to find out what minus 7 equals 8
20
89
6 plus 7 plus 8 equals 6 plus 8 plus 7, what property is that?That is the associative property.
it is 28
144
144 9+7 = 16 and 9*16 = 144
If I am correct, 9 plus 7 equals 112.
As written, that is true. (7 - 1) + 8 = 7 - (1 + 8) is not true.
-8
144
7 + 3 - 8 = 2
you do 3 plus 5 first then you get 8 you have to find out what minus 7 equals 8
Associativity and commutativity.