Mathematics, 01.12.2020 01:10, Mantisa

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? 1.) commutative
2.) distributive
3.) identity
4.) associative

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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 55...