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9 replies to this topic

### #1 gno1track

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Posted 27 September 2016 - 10:37 PM

### #2 TsVk!

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Posted 27 September 2016 - 11:07 PM

7

PEDMAS

### #3 gno1track

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Posted 27 September 2016 - 11:18 PM

why = 7?

### #4 TsVk!

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Posted 27 September 2016 - 11:22 PM

PEMDAS

Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction

is the order of equation.

6 - 1 x 0 + 2 / 2 =

6 - (1 x 0) + ( 2 / 2) =

6 - 0 + 1 = 7

Edited by TsVk!, 27 September 2016 - 11:27 PM.

### #5 TsVk!

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Posted 27 September 2016 - 11:27 PM

Now you can be part of the 1% by remembering your 4th grade maths

### #6 gno1track

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Posted 27 September 2016 - 11:49 PM

why 6 - 0 + 1 = 7?

### #7 TsVk!

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Posted 28 September 2016 - 12:03 AM

Because you work left to right. PEMDAS is not a strict rule it is a guide to equation.

Edited by TsVk!, 28 September 2016 - 12:19 AM.

### #8 TsVk!

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Posted 28 September 2016 - 12:23 AM

Here's the best way I can explain it...

You read negative numbers, you do not subtract positive.

### #9 TsVk!

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Posted 28 September 2016 - 04:54 AM

Sooo....

6 - 1 x 0 + 2 / 2 =

6 - (1 x 0) + ( 2 / 2) =

6 - 0 + 1 =

6 + (-0 + 1) =

6 + 1 = 7

### #10 TsVk!

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Posted 28 September 2016 - 05:08 AM

which is handy when you start looking at longer sums like

7 - 6 + 2 - 3 + 6 - 4 =

7 + -6 + 2 + -3 + 6 + -4 =                                     (not: 7 - 8 - 9 - 4 = )

(7 + -6) + (2 + -3) + (6 + -4) =

1 + -1 + 2 = 2

Now we are the envy of every 10 year old and part of the 1%.

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