Mathematics
Mathematics, 01.10.2019 05:20, tnbankspines

(i forgot what the commutative property of addition was. answer fast. )

which shows the commutative property of addition?

a. 15 + ( 43 + 9 ) = ( 15 + 43 ) + 9

b. 15 + 18 = 30 + 3

c. 15.4 + 23.1 = 23.1 + 15.4

d. 27 + 0 = 27

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(i forgot what the commutative property of addition was. answer fast. )

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