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The model shows the addition expression 18 + 12.

(A model containing 3 rows of 6 orange squares and 3 rows of 4 blue squares)


One expression that is equivalent to this sum is _______. 1. 3 + 6 + 4 2. 3(6 + 4) 3. 3 + 6(4) 4. 3(6) + 4

User Jcupitt
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1 Answer

2 votes

Answer:

2. 3(6+4)

Explanation:

User Hetfield Joe
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