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 Post subject: Need help please
PostPosted: Thu Jan 01, 2015 7:31 pm 
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Joined: Sun Jan 20, 2013 10:22 am
Posts: 73
Can someone please explain the answer for this

2 + 4 * 3/5 answer is 4 2/5

Thanks for your help.


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 Post subject: Re: Need help please
PostPosted: Thu Jan 01, 2015 7:51 pm 
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Joined: Fri Oct 12, 2007 12:42 pm
Posts: 3813
Location: Chelmsford and pleased
There is an order for doing maths. The acronym is BIDMAS (brackets - solve what is inside first, indices, either division or multiplication, then eith addition or subtraction). This is now part of the primary maths curriculum. If you type the calculation into a scientific calculator it will perform the calculations in the correct order.

4 x 3 = 12
12 : 5 = 2 2/5
Finally 2 + 2 2/5 = 4 2/5


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 Post subject: Re: Need help please
PostPosted: Thu Jan 01, 2015 7:53 pm 
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Joined: Mon Jun 18, 2007 2:32 pm
Posts: 6966
Location: East Kent
Once again Goldenstar, have you thought of purchasing a textbook, or maybe just using Google?

Our patience is wearing thin.


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 Post subject: Re: Need help please
PostPosted: Thu Jan 01, 2015 8:27 pm 
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Joined: Sun Jan 20, 2013 10:22 am
Posts: 73
moved wrote:
There is an order for doing maths. The acronym is BIDMAS (brackets - solve what is inside first, indices, either division or multiplication, then eith addition or subtraction). This is now part of the primary maths curriculum. If you type the calculation into a scientific calculator it will perform the calculations in the correct order.

4 x 3 = 12
12 : 5 = 2 2/5
Finally 2 + 2 2/5 = 4 2/5


Thank you.


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