simplify 10 + 2 x (7 − 3 + 4) − 15 ÷ 3 a)7 b)17 c)21 d)27

Question

simplify 10 + 2 x (7 − 3 + 4) − 15 ÷ 3
a)7 b)17 c)21 d)27

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Khải Quang 3 years 2021-08-20T00:03:39+00:00 1 Answers 3 views 0

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  1. trungdung22
    0
    2021-08-20T00:04:51+00:00
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    Answer:

    C).21

    Step-by-step explanation:

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