Identify the properties that are used to find each sum. 69 + 22 = (60 + 9) + (20 + 2) = 60 + 20 + 9 + 2 = (60 + 20) + (9 + 2) = 80 + 11 = 91

asked Jul 5, 2022 37.5k views

3 votes

Identify the properties that are used to find each sum.

69 + 22 = (60 + 9) + (20 + 2)
= 60 + 20 + 9 + 2
= (60 + 20) + (9 + 2)
= 80 + 11
= 91

by Lhk

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2 votes

Answer:

Explanation:

Amitai Fensterheim answered Jul 12, 2022

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