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Which number goes in the box to make this a true number sentence? 7 × (3 + 9) = 21 +

Which number goes in the box to make this a true number sentence? 7 × (3 + 9) = 21 +
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Which number goes in the box to make this a true number sentence? 7 × (3 + 9) = 21 +

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User Xaedes
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2 Answers

2 votes
The number that would go in the box is 63.   7X12=21+63
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User Tjarvstrand
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1 vote
7(3 + 9) = 7(3) + 7(9) = 21 + 63
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User Harmands
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