Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**carlossanudo1****Member**- Registered: 2012-02-02
- Posts: 1

is correct?

-3-7/9+5/6 = -83/18 or -53/18... thanks for you help me!

please explanation!!

Thanks,

carlossanudo1

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 85,383

Hi carlossanudo1;

Have you learned how to add and subtract fractions?

**In mathematics, you don't understand things. You just get used to them.Of course that result can be rigorously obtained, but who cares?Combinatorics is Algebra and Algebra is Combinatorics.**

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