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Online Self-Tests(A23)


  • 1. Determine the unknown value that makes the equation true.

    (1 point)

    9+

    =

    		30


  • 2. Determine the unknown value that makes the equation true.

    (1 point)

    8+

    =

    		25


  • 3. Determine the unknown value that makes the equation true.

    (1 point)

    		+9

    =

    		19


  • 4. Determine the unknown value that makes the equation true.

    (1 point)

    		+7

    =

    		16


  • 5. Determine the unknown value that makes the equation true.

    (1 point)

    16+

    =

    		33


  • 6. Determine the unknown value that makes the equation true.

    (1 point)

    		+6

    =

    		11