Thursday

July 31, 2014

July 31, 2014

Posted by **mary** on Friday, October 4, 2013 at 6:21am.

- pre algrebra -
**Reiny**, Friday, October 4, 2013 at 8:06amIf you verbalize an arithmetic calculation rather than using symbols, you lose the correct sequence of operations

e.g. If I say

What is 3 plus 8 divided by 4

is it (3+8)/4 or 3 + 8/4 ? different answers!

I will suppose it is the usual BEDMAS rule

1/2 + (2/3) ÷ (3/4)

= 1/2 + (2/3)(4/3)

= 1/2 + 8/9

= 9/18 + 16/18

= 25/18

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