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28 March, 23:06

Which property of addition is this? (

6

+

3

)

+

21

-

8

=

6

+

(

3

+

21

)

-

8

+5
Answers (2)
  1. 29 March, 01:47
    0
    Associative law [For addition]

    Step-by-step explanation:

    (6+3) + 21-8=6 + (3+21) - 8

    Associative law [For addition]: (a + b) + c = a + (b + c)
  2. 29 March, 02:01
    0
    Commutative Law
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