Mathematics

8th

grade

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Cộng số nguyên

136
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20 questions

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  • 1. Multiple Choice
    30 seconds
    5 pts

    -1

    1

    9

    -9

  • 2. Multiple Choice
    30 seconds
    5 pts

    0

    12

    -12

    6

  • 3. Multiple Choice
    30 seconds
    5 pts

    (-10)+7=

    7

    3

    -3

    17

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