1 sum
because of the commutative property of addition
a+b=b+a
we can furthuer expand it
a+b+c=a+c+b=b+a+c=b+c+a=c+b+a=c+a+b
same sum
you can test it with numbers
The answer would be true.
Answer:
your answer would be 78
Step-by-step explanation:
78
9/702
- 63
_____
72
- 72
_______
0
21 because 9+10 is actually 21