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Mathematics, 05.07.2019 20:00 zoeycrew

Shilo is trying to compute the value of 27 + 55 + 13. she adds 27 + 13 to get 40, and then adds on 55. which of the following properties is shilo using?

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Shilo is trying to compute the value of 27 + 55 + 13. she adds 27 + 13 to get 40, and then adds on 5...
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