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1-IDENTITY: One & Zero
供稿人: Childress
* MEANS MULTIPLY
1 * X=
X + 0 =
--anything x 1 is itself--anything + 0 is itselfkeeps its identity
IDENTITY PROPERTY
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What makes it true?
8 + 
=
0
What makes it true?
5
1
=
1
What makes it true?
-4 +
=
0
What makes it true?
-7
1
=
1
What makes it true?
4
1
=
1
What makes it true?
10 + 
=
0
What makes it true?
-6
1
=
1
What makes it true?
-12+
=
0
What makes it true?
4
5
=
1
What makes it true?
0
=
17+
What makes it true?
-3
7
=
1
What makes it true?
1
=
3
2
What makes it true?
1
=
-3
8
what makes it true?
1*x
balance
what makes it true?
balance
x+0
what makes it true?
-15
balance
what makes it true?
balance
9
a number + it opposite
equals zero
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a number x its reciprocal
equals one
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a number x its inverse
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equals one
Any number over itself is  1
identity:   x+0=x
identity:     1 * x = x
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