Answer:
81, 27, 48, 77
Step-by-step explanation:
Answer:
Associative property of addition. Grouping different addends does not change the sum.
Step-by-step explanation:
5 + 2 + 3 = 5 + (2 + 3)
10 = 5 + (5)
10 = 10
Answer:
(6x+12y)
Step-by-step explanation:
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