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Mathematics

5th

grade

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Olimpiada matematica faza pe scoala cl. a V-a RACOVITA- SIBIU

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7 questions

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  • 1. Multiple Choice
    15 minutes
    1 pt

    1. Puneţi parantezele pentru a obţine egalitate : 320:5-125:52+2=160

    320:(5-125:52+2)=160

    320:5-(125:52)+2=160

    (320:5-125):52+2=160

    320:(5-125):52+2=160

  • 2. Multiple Choice
    15 minutes
    1 pt

    Folosind drumul invers, aflaţi x din : (2+18:32)2-(3·x+5)=2

    19

    6

    3

    31

  • 3. Multiple Choice
    15 minutes
    1 pt

    Aflaţi x din : 1000(3)+112(x)+̅2̅3̅x(6)-1300(4)=132(x)

    x=6

    x=5

    x=4

    x=10

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