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Secret subtraction

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Improve’s skill check : Work out the sum the sum of these


1) 1600 – 700 = ,

 

2) 600 – 400 = ,

 

3) 2300 – 1700 = ,

 

A )

 

1) 3600 – 400 = ,

 

2) 3000 – 1300 = ,

 

3) 800 – 400 = ,

 

B )

 

1) 1800 – 300 = ,

 

2) 1900 – 700 = ,

 

3) 3600 – 1400 = ,

 

4) 8000- 3000 = ,

 

C )

 

1) 3800 – 1400 = ,

 

2) 2000 – 300 = ,

 

3) 2400 – 600 = ,

 

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