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What Multiplication Fact Can Be Found By Using The Arrays For 2 X 9 And 5 X 9?

That is my daughter's homework.

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    These are 1x2 and 1x2 arrays.

    [ (2*5 ) + (2*9)       (9*5 + 9*9) ]

    [ 10 + 18                  45 + 81  ]

    [ 28     126   ]
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    Guest

    Guest 

    answered 2 years ago

      18*2 and 45*2
      0 0

      Guest 

      answered 2 weeks ago

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