Mathematics

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Math Challenge

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5 questions

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  • 1. Multiple-choice
    20 seconds
    1 pt

     1420520=...\frac{14}{20}-\frac{5}{20}=...  

     1920\frac{19}{20}  

     1120\frac{11}{20}  

     920\frac{9}{20}  

     120\frac{1}{20}  

  • 2. Multiple-choice
    20 seconds
    1 pt

    25 km = ... m

    250.000

    25.000

    2.500

    250

  • 3. Multiple-choice
    30 seconds
    1 pt

    0,16 = ... %

    0,16

    1,6

    16

    160

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