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Online Self-Tests(A12)


  • 1-2. Find the answer to the equation.


    (1 point)

    1+ (1+ 1)=

    888


  • 3-4. Find the answer to the equation.


    (1 point each)

    5(1+ 1)=

    633


  • 5-6. Find the answer to the equation.


    (1 point each)

    1+ (21)=

    333


  • 7. Find the unknown value that makes the equation true.


    (1 point)

    + 1=3
    444

  • 8. Find the unknown value that makes the equation true.


    (1 point)
    3+

    = 5
    333

  • 9-10. Find the answer to the equation.


    (1 point each)

    1+ 2=

    43