How to do Addition Algorithm

For this task we did Addition Algorithm we did maths and we added 679+847 so first you add the 9 and the 7 makes 16 then you add 1 to the 7 and it makes 8  then you add the 8 and the 4 makes 12 and 7 add 8  make 15 and then the answer is 1526

 

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