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17 Jan 2014, 04:34
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Bookmarks
hii bunnel 
to know some basics iam seeing cbse maths books, so i have one doubt
does subtraction is associative with natural numbers?? its not
as per analysis with example a-(b-c) # ( a-b) - c
but i want to know is it right or wrong becz in cbse 8ths maths it is stating as associative for subtraction
pls clarify even though its silly bunnel
thank you
to know some basics iam seeing cbse maths books, so i have one doubt
does subtraction is associative with natural numbers?? its not
as per analysis with example a-(b-c) # ( a-b) - c
but i want to know is it right or wrong becz in cbse 8ths maths it is stating as associative for subtraction
pls clarify even though its silly bunnel
thank you
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17 Jan 2014, 04:42
Kudos
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hiiiii.... 
ZERO
why zero is called as identity for the additional of rational numbers? and
also why it is also a additive identity of whole numbers and integers?
one thing i know about zero is , if it is used as an operation to any number , the result is the same number ex: in add, subtraction
ex: a+0 = 0+a = a
these points u have read in cbse 8th class ,
can anyone clear this point pls
thank you
ZERO
why zero is called as identity for the additional of rational numbers? and
also why it is also a additive identity of whole numbers and integers?
one thing i know about zero is , if it is used as an operation to any number , the result is the same number ex: in add, subtraction
ex: a+0 = 0+a = a
these points u have read in cbse 8th class ,
can anyone clear this point pls
thank you
17 Jan 2014, 04:58
Kudos
Bookmarks
Subtraction is not associative with natural number.
a-(b-c) = a - b +c
( a-b) - c= a - b -c
Clearly not the same
a-(b-c) = a - b +c
( a-b) - c= a - b -c
Clearly not the same
