This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
The order of operations is:
1)Exponents( or indices if you prefer) and roots
2)Multiplication and division
3)Addition and subtraction
AND EVERYTHING IS FROM LEFT TO RIGHT
So, 1×7=7 and 1+1+1+1+1=5 and 5+7=12