Change the order or grouping to find the sum. Explain how you used properties to find the sum. 63 + 86 + 77

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Alicia

Mathematics

27 May, 21:20

Change the order or grouping to find the sum. Explain how you used properties to find the sum. 63 + 86 + 77

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Natalya Farley · Answer 1

You can't change the sum by changing the grouping. Any way you cut it, you will always get 226, as you only have addition operations, and the commutative property [a + (b+c) = (a+b) + c] means that the sum will always be the same.