1. 18 + 24 = 6 * (3 + ?) 2. 10 + 2 = ? (5 + 1) 3. 3 x (7 + ?) = 21+ 6 4. ? x (3 + 2) = 12 + 8 5. 30 + 28 = 2 * (15 + ?) Please give me the n

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1. 18 + 24 = 6 * (3 + ?) 2. 10 + 2 = ? (5 + 1) 3. 3 x (7 + ?) = 21+ 6 4. ? x (3 + 2) = 12 + 8 5. 30 + 28 = 2 * (15 + ?) Please give me the numbers for the question marks​

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Sapo 3 years 2021-07-25T23:50:09+00:00 1 Answers 2 views 0

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    2021-07-25T23:52:00+00:00

    Answer:

    hm

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