please help me learn and memorize the properties.
o is identity element for addition. 2+0=2
2+(-2)=0
-2 is the additive inverse of 2
1 is the identity element for multiplication. 3*1=3
3*(1/3) =1
(1/3) is the multiplicative inverse of 3
2(3+5) =2*3+2*5 =6+10=16
The above is distributive property of multiplication over addition.
2*3 =3*2 =6
The above is commutative property.
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