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math

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waht multiplication fact can be found by using the arrays for 2x9 and 5x9

  • math - ,

    2×9=18 5×9=45 take 18+45=63 so the answer is 7×9=63 get it got it good.

  • math - ,

    7x9=63

  • math - ,

    599382?63=

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