Mathematics, 26.11.2019 23:31, Alexhall112

Identify the property used in each step.
12.2 + 186+-4.3 + (-186)
12.2+-43 + 18.6+(-186)
122+ -43 + [18.6 + (-186)]
12.2 + 4.3 + (0)
122 + 43
7.9

Answers: 3

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Identify the property used in each step.
12.2 + 186+-4.3 + (-186)
12.2+-43 + 18.6+(-186)...