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Online Self-Tests(A30)


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

    (1 point)

    27+

    =

    		57


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

    (1 point)

    32+

    =

    		54


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

    (1 point)

    		+36

    =

    		59


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

    (1 point)

    		+31

    =

    		57


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

    (1 point)

    28+

    =

    		62


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

    (1 point)

    		+25

    =

    		48