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Mathematics, 21.10.2019 17:10 karlye

Show that 28 × 27 = (20 +8)(20 +7) using an area model. what do the numbers you placed inside the four rectangular regions you drew represent?

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Show that 28 × 27 = (20 +8)(20 +7) using an area model. what do the numbers you placed inside the fo...
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