3
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What number should replace the ?

(1,3),(6,8),(6,9),(7,3),(2,4),(6,4),(?,6),(7,2)

Number in ?

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1 Answer 1

6
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4. $6\times3=18, 7\times9=63, 6\times4=24, 7\times6=42$.

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1
  • $\begingroup$ Thank you for your answer. It was very helpful $\endgroup$ Commented Nov 28, 2019 at 14:14

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