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5th

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Teza clasa a VIII-a, sem I, 2019-2020

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10 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Scrisă sub formă de interval mulţimea 

    A={x \in  R | -5  \le   x < 3}este

    (-5; 3]

    [-5; 3)

    (-5;3)

    [-5;3]

  • 2. Multiple Choice
    2 minutes
    1 pt

    Fie paralelipidedul dreptunghic ABCDA'B'C'D', cu AB=3 cm, BC=4 cm, AA'=12 cm. Lungimea

    diagonalei paralelipipedului este…….......cm.

    19

    14

    5

    13

  • 3. Multiple Choice
    2 minutes
    1 pt

    Fie cubul ABCDA'B'C'D'. Măsura unghiului format de dreptele AA' şi CD este…………………

    45°45^{\degree}

    90°90^{\degree}

    30°30^{\degree}

    135°135^{\degree}

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