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

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**comeba****Member**- Registered: 2017-12-14
- Posts: 1

teach me plz

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,841

Hi comeba,

Welcome to the forum!

Addition : 1 + 1 = 2, 1 + 2 = 3, 1 + 3 = 4, 1 + 4 = 5.... This is addition.

1 + 2 = 3, 2 + 3 = 5, 3 + 4 = 7, 4 + 5 = 9.... This too is addition.

3 - 1 = 2, 5 - 1 = 4, 7 - 2 = 5, 10 - 5 = 5, 21 - 13 = 8.... This is subtraction.

5 - 6 = -1, 13 - 9 = 4, 22 - 33 = -11, 65 - 75 = -10.... This too is subtraction.

2 x 3 = 6, 2 x 4 = 8, 10 x -3 = -30, -21 x 2 = -22, 35 x 4 = 140, -6 x -5 = 30.... This is multiplication.

This is division. This is exponentiation. This is finding roots.Feel free to answer these questions Here

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**Alg Num Theory****Member**- Registered: 2017-11-24
- Posts: 339
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This YouTube video may be Quite Interesting to you:

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**Mathegocart****Member**- Registered: 2012-04-29
- Posts: 1,965

10..

The integral of hope is reality.

May bobbym have a wonderful time in the pearly gates of heaven.

He will be sorely missed.

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**bob bundy****Administrator**- Registered: 2010-06-20
- Posts: 8,453

Arhh! Good old binary answer. Or maybe 1 + 1 = 1 as in one pile of sand added to one pile of sand = one pile of sand.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Sometimes I deliberately make mistakes, just to test you! …………….Bob Bundy

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**Βεν Γ. Κυθισ****Member**- Registered: 2018-10-09
- Posts: 18

1+1=

*Last edited by Βεν Γ. Κυθισ (2018-10-10 22:49:59)*

Profile image background is from public domain.

1+1=|e^(π×i)-1|

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**Βεν Γ. Κυθισ****Member**- Registered: 2018-10-09
- Posts: 18

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