Mathematics, 28.01.2020 10:31 Adot23x
Tony wants to model the associative property of addition using a number sentence. which number sentence could be used for tonys model?
a. 6+(4+5)=6+(5+4)
b. 8+7=8+7+0
c. 7+(3+6)=(7+3)+6
d. 8+7=9+6
Answers: 3
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Tony wants to model the associative property of addition using a number sentence. which number sente...
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