5 mũ 7×25=????????????? 3 mũ 5 :27=??????????????//

Question

5 mũ 7×25=?????????????
3 mũ 5 :27=??????????????//

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Gerda 4 years 2020-10-14T22:32:20+00:00 1 Answers 96 views 0

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  1. Eirian
    0
    2020-10-14T22:33:29+00:00
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      57 × 25

    = 57 × 52

    = 512

      35 ÷ 27

    = 35 ÷ 33

    = 32

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