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21 April, 06:22

4.2+2.629 (3.7b+1.8) = 5.819464

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  1. 21 April, 07:44
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    4.2 + 2.629 (3.7b + 1.8) = 5.819464

    4.2 + 2.629 (3.7b) + 2.629 (1.8) = 5.819464

    4.2 + 9.7273b + 4.7322 = 5.819464

    4.2 + 4.7322 + 9.7273b = 5.819464

    8.9322 + 9.7273b = 5.819464

    -8.9322 - 8.9322

    9.7273b = - 3.112736

    9.7273 9.7273

    b = - 0.32
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