Online Self-Tests(S11)

• 
  

  1. Find the answer to the equation.

  ---

  (1 point)

  
  

  	231
  –	64

  
  
• 
  

  2. Find the answer to the equation.

  ---

  (1 point)

  
  

  	169
  –	34

  
  
• 
  

  3. Find the answer to the equation.

  ---

  (1 point)

  
  

  	310
  –	47

  
  
• 
  

  4. Find the answer to the equation.

  ---

  (1 point)

  
  

  37

  –

  8

  =

  
  
• 
  

  5. Find the answer to the equation.

  ---

  (1 point)

  
  

  42

  –

  39

  =

  
  
• 
  

  6. Find the answer to the equation.

  ---

  (1 point)

  
  

  135

  –

  48

  =