Fill in the blanks. Then, choose the property of addition you used.
(+9 = 9+ 3
(Choose o...
Mathematics, 07.04.2020 01:20 jillyan8233
Fill in the blanks. Then, choose the property of addition you used.
(+9 = 9+ 3
(Choose one)
[ +4 = 4
(Choose one)
(C)
+(7 + 2) = (4 + 7) + 2
(Choose one)
Answers: 1
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