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Mathematics

1st -

3rdgrade

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    以下哪个不是质数?

    11

    19

    21

    23

  • 2. Multiple Choice
    30 seconds
    1 pt

    378 000 =

    0.378百万

    3.78百万

    37.8百万

    378百万

  • 3. Multiple Choice
    30 seconds
    1 pt

    1.638百万

    数字6的数值是多少?

    0.6

    600

    60 000

    600 000

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