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Which number sentence shows the commutative property of addition?

9 + 3 = 12

11 + 7 = 7 + 11

3 . 9=27


3 + (9 + 1) = (3 + 9) + 1

Respuesta :

chloewingert
The last one is right
Brick123
I believe 11+7=7+11 shows addition of commutative property because the first equation is just basic addition while the third one is just either a writing error or just multiplication. The fourth or last one is just associative property.

Hope this helps

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