Online Self-Tests(S33)

• 
  

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

  ---

  (1 point)

  
  

  105

  –

  =

  78

  
  
• 
  

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

  ---

  (1 point)

  
  

  –

  56

  =

  106

  
  
• 
  

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

  ---

  (1 point)

  
  

  87

  –

  =

  87

  
  
• 
  

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

  ---

  (1 point)

  
  

  –

  78

  =

  243

  
  
• 
  

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

  ---

  (1 point)

  
  

  132

  –

  =

  67

  
  
• 
  

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

  ---

  (1 point)

  
  

  –

  56

  =

  45