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Product mentally 9×44
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Apr 11, 2017
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Product mentally 9×44
Mathematics
middle-school
Mats Petersson
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Mats Petersson
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you can just do
9x4=36 then
9x40= 360
lastly you just add the product of both equations up making
396
!
this can be done mentally
Barzo
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Apr 16, 2017
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Barzo
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