en.wikipedia.org/wiki/Mathematical_fallacy

In mathematics, certain kinds of mistaken **proof** are often exhibited, and
sometimes collected, ... **1** Howlers; 2 Division by zero; **3** Multivalued functions; 4
Calculus; 5 Power and root. 5.1 Positive and negative roots; 5.2 Squaring both
sides of an ...

mathforum.org/library/drmath/view/56734.html

Date: 11/19/95 at 17:12:23 From: Doctor Ken Subject: Re: **1**+**1** = **3** ? Hello! Let me
say first of all that there is no real **proof** for the statement **1** + **1** ...

www.quora.com/How-can-you-prove-that-1+1-3

Mathematically you can't, because that would mean that maths is broken. All the answers will be some sort of false proofs which sometimes maybe hard to spot ...

puzzling.stackexchange.com/questions/5656/when-does-11-3

Nov 27, 2014 **...** I have a mathematical **proof** for you: Start with .... So if you think **1** + **1** = **3**, who
cares if teachers and professionals say you're wrong! You are ...

brilliant.org/discussions/thread/proof-that-1-1-and-1-3

**Proof** that -**1** = **1** and **1** = **3**. This image was sourced and then altered from the
NASA image archive. The chimpanzee pictured was named Ham the Astrochimp.

answers.yahoo.com/question/index?qid=20090801020846AAyCpa1

**1** = **1** 41 – 40 = 61 – 60 16 + 25 – 40 = 36 + 25 – 60 4² + 5² – 2 * 4 * 5 = 6² + 5² – 2
* 6 * 5 (4 – 5)² = (6 – 5)² 4 – 5 = 6 – 5 4 = 6 2 = 3 **1** + **1** = **3**

www.quickanddirtytips.com/education/math/how-to-prove-that-1-2

May 16, 2014 **...** What if I was to tell you that I could **prove** that **1** + **1** is actually equal to **1**. And that
.... Audio. **3** Frequently Asked Questions About Math Puzzles.

www.purplemath.com/modules/howcan1.htm

being equal to ^{1}/**3**, but then, one-third is a fraction. ... from precedence: If you
haven't already learned that ^{1}/**3** = 0.333... in decimal form, you can **prove** this
easily ...