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Mathematics, 09.09.2021 20:00 ladybugys

Jose solved the following problem using the work shown. Which property did he not use? 19 + (1 + 0)

= (19 + 1) + 0

= 20 + 0

= 20

associative property
commutative property
identity property

ansver
Answers: 3

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Jose solved the following problem using the work shown. Which property did he not use? 19 + (1 + 0...
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