Question

30 + 20+70 = 20+30+70 which property​

Answer 1

Answer:

pls mark it as the brainliest

Step-by-step explanation:

commutative property of addition

Answer 2

Answer:

commitative property under addition and associative property under addition if you put the brackets between numbers

Step-by-step explanation:

30+20+70=20+30+70 commutative property

(30+20)+70=20+(30+70) associative property