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Mathematics

8th

grade

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Saīsinātās reizināšanas formulas

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8 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Vai kvadrātu starpības formula uzrakstīta pareizi (ab)(a+b)=a2 - b2 ?

  • 2. Multiple Choice
    30 seconds
    1 pt

    1,96 − z2 =(1,4 + z) ⋅ (...)

    (1,4 + z)

    (z - 1,4)

    (1,4 - z)

  • 3. Multiple Choice
    30 seconds
    1 pt

    Kāds monoms jāieraksta daudzpunktes vietā?

    (8b + ...)(8b − ...) = 64b2 - 49

    49

    -49

    727^2

    7

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