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Pre-Algebra 12 Online
OpenStudy (anonymous):

Choose all properties that were used to simplify the following problem: [38 + 677] + (-38) [677 + 38] + (-38) 677 + [38 + (-38)] 677 + 0 677 additive identity additive inverse commutative property of addition associative property of addition distributive property

OpenStudy (anonymous):

i know one is additive .

OpenStudy (anonymous):

all of the properties are used.

OpenStudy (anonymous):

really

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