Online Self-Tests(S12)

• 
  

  1. Find the answer to the equation.

  ---

  (1 point)

  
  

  	201
  –	142

  
  
• 
  

  2. Find the answer to the equation.

  ---

  (1 point)

  
  

  	130
  –	83

  
  
• 
  

  3. Find the answer to the equation.

  ---

  (1 point)

  
  

  	263
  –	109

  
  
• 
  

  4. Find the answer to the equation.

  ---

  (1 point)

  
  

  47

  –

  29

  =

  
  
• 
  

  5. Find the answer to the equation.

  ---

  (1 point)

  
  

  30

  –

  18

  =

  
  
• 
  

  6. Find the answer to the equation.

  ---

  (1 point)

  
  

  142

  –

  52

  =