The property that allows 7 + 9 + 3 = 7 + 3 + 9 is called the Commutative Property of Addition and Multiplication. This means that as long as the sign is either a multiplication symbol or an addition symbol, we can move (or "commute") the values wherever we want and the expression will still equal the same amount.
Hope that helped =)
Answer:
39
33
205
Step-by-step explanation:
77-38
128-95
134+71
Answer:
four just count the circles above the one