heyjiminkk heyjiminkk

27-09-2016
Mathematics

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without using a calculator,determine the sum of all the intergers from -50 to +50 describe you're strategy

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dstevensxo dstevensxo

27-09-2016

Think about it:
-50+50=0
-49+49=0
-48+48=0
...and so on

You're going from both sides so the sum of all the integers from -50 to 50 is zero.

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