# What Multiplication Fact Can Be Found By Using The Arrays For 2x 9 And 5x9?

2x9=18 9x2=18
5x9=45 9x5=45 and that the arrays for 2x9 and 5x9
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18*2 and 45*2
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The facts for the two arrays are as follows;

2X9=18 and the second fact is 9X2=18

Similarly

5X9=45 and the second fact is 9X5=45
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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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Certainly, you can join them to produce the 7x9 fact.
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18
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18 and 45
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18 and 45
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