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forum.virtualchallengemeets.com • View topic - NUMBER SENSE MARATHON (Cont'd)

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NUMBER SENSE MARATHON (Cont'd)

Eighty problems in ten minutes. What's so hard about that?
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NUMBER SENSE MARATHON (Cont'd)

Postby asquaredplusb » Fri Nov 30, 2012 11:25 pm

The Number Sense Marathon - continued.

Is there a trick for:

12 x 424

* 45022 / 374

If 5^-1 + x^-1 = 3^-1, then x =

* (6 3/7) x 2875 / 15 =

* sqrt(170) x sqrt(12321) = vi
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Re: NUMBER SENSE MARATHON (Cont'd)

Postby darksaber21 » Sat Dec 01, 2012 8:06 am

Now I know the stakes, and I'm willing to show what I gots. I will see you all at state for the first and final time, so let's end the year with a bang! :)
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Re: NUMBER SENSE MARATHON (Cont'd)

Postby 101dalmatians » Sat Dec 01, 2012 9:09 am

I guess this signature really doesn't matter now that I know that the forum is going down soon...
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Re: NUMBER SENSE MARATHON (Cont'd)

Postby 101dalmatians » Sun Dec 02, 2012 8:11 pm

How do you do this?

[unparseable or potentially dangerous latex formula] [unparseable or potentially dangerous latex formula]
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Re: NUMBER SENSE MARATHON (Cont'd)

Postby darksaber21 » Sun Dec 02, 2012 9:07 pm

Now I know the stakes, and I'm willing to show what I gots. I will see you all at state for the first and final time, so let's end the year with a bang! :)
MTHS - Class 5A, District VII, Region I
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Re: NUMBER SENSE MARATHON (Cont'd)

Postby 101dalmatians » Sun Dec 02, 2012 10:24 pm

So... How do you solve any repeating base decimals?

I looked at that website my school gave me - methmagic or something but that didn't explain very clearly...
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