A piece of wood is 21 m long. How much piece of wood 07m ‘long wood can be cut from it?​

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A piece of wood is 21 m long. How much piece of wood 07m ‘long wood can be cut from it?​

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Bơ 1 year 2021-09-04T09:46:21+00:00 1 Answers 6 views 0

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  1. Delwyn
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    2021-09-04T09:47:24+00:00
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    Equation = 21/7=?

    Revision: 7 x ? = 21

    7+7+7 = 21

    7 x 3 = 21

    21/7 = 3

    Answer = 3

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )