Use a strategy to find the sum of 504+836

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Use a strategy to find the sum of 504+836

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Ngọc Hoa 3 years 2021-07-31T05:35:56+00:00 1 Answers 9 views 0

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  1. dangkhoa
    0
    2021-07-31T05:37:44+00:00
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    Answer:

    1340

    Step-by-step explanation:

    504+836

    500+800=1300

    30+00=30

    4+6=10

    1300+30+10=1340

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