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 P5 Maths 2011 SA2 Nanyang Paper 1 Q30
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By: geniuskids (offline)  Tuesday, October 16 2012 @ 01:11 AM CDT (Read 1080 times)  
geniuskids

Hi, can someone clarify on this question? I can't seem to get the answer!

Q30 : Fill in the blanks [ ] below with different operations (+, -, x, ÷) to make the mathematical statement correct.
Each operation is used onced only.

24 [ ] (6+6) [ ] 6 = 22



Thanks

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By: echeewh (offline)  Tuesday, October 16 2012 @ 02:41 AM CDT  
echeewh

Hey there,

its Minus , followed by Divide as follows:

24 [ - ] (6+6) [ ÷ ] 6 = 22

==============

Hope this helps.

Cheers,
Edward

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By: geniuskids (offline)  Tuesday, October 16 2012 @ 02:45 AM CDT  
geniuskids

Hi, thanks for your reply,

The final answer is 22 and not 2, if I put a minus, followed by a divide. Pls clarify pls.

many thanks

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By: echeewh (offline)  Tuesday, October 16 2012 @ 03:14 AM CDT  
echeewh

Under of Order of Operations, <BRACKET> comes before <DIVIDE> comes before <MINUS>. In this kind of question, its not necessary that you do from LEFT to RIGHT. You have to follow the rules under Order of Operations.

So (6+6) = 12; then (12 ÷ 6) = 2; then (24 - 2) = 22

Does this help clarify?

Cheers,
Edward

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By: geniuskids (offline)  Tuesday, October 16 2012 @ 03:49 AM CDT  
geniuskids

Hi

Oh i see, thanks so much....how come I didn't see it.

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