EXERCISE 9.4 Simplify, if possible: 1. 2 x 2​

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EXERCISE 9.4
Simplify, if possible:
1. 2 x 2​

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Philomena 3 years 2021-08-19T09:25:41+00:00 1 Answers 0 views 0

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    2021-08-19T09:27:10+00:00

    2 × 2 = 4

    ●● + ●● = ●●●●

    ●● × ●● = ●●●●

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