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Mathematics, 04.07.2019 19:00 livj946

Find the product mentally. (r - s)2 2r2 - rs - s2 r2 - 2rs + s2 r2 - rs + s2

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Find the product mentally. (r - s)2 2r2 - rs - s2 r2 - 2rs + s2 r2 - rs + s2...
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