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20-10-2020
Mathematics

contestada

Find the missing number.
3 + 8 + 4 + 9 = (12 + ____) + 9

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galaxyreef galaxyreef

20-10-2020

Answer:

3!

Step-by-step explanation:

Add 3+8+4+9, you get 24. 12+9=21. 24-21 is 3! So answer is 3!

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