Online Self-Tests(S2)

• 
  

  1-2. Find the answer to the equation.

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  (1 point each)

  
  

  1	–	1	=
  2		6

• 
  

  3-4. Find the answer to the equation.

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  (1 point each)

  
  

  1	–	1	=
  3		6

• 
  

  5-6. Find the answer to the equation.

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  (1 point each)

  
  

  1	–	2	=
  2		6

• 
  

  7-8. Find the unknown values that makes the equation true.

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  (1 point each)

  	–	1	=	1
  6		2

• 
  

  9-10. Find the unknown values that makes the equation true.

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  (1 point each)

  1	–		=	1
  3		6

• 
  

  11-12. Find the answer to the equation.

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  (1 point each)

  
  

  2	–	2	=
  3		6