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Mathematics, 20.10.2020 21:01 Paigex3
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
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The model shows the addition expression 18 + 12.
(A model containing 3 rows of 6 orange squares and...
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