yofloflo23
yofloflo23 yofloflo23
  • 01-09-2014
  • Mathematics
contestada

What is the value of 1-18+25 if you subtract then add?
If you add then subtract?
Why is order of operations necessary?

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TaylorBayley
TaylorBayley TaylorBayley
  • 01-09-2014
The answer to that is always 8, it doesnt matter if you do 1-18 then add 25 or do -18+25 then add one.
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macio06 macio06
  • 01-09-2014
If this case You can follow any order. If in the expression appear multiplication or division You must take this into consideration earier thatn subtract/add.

1-18+25=8

You can do it as You want
-17+25=8 or 1+7=8
Answer Link

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