I start with students' questions via sms about what the thinking began in the afternoon, so this creates a need for me to write, may be useful.

0 x 1 =

with

1 x 0 =

same as what non-pack?

true ill pa dg pack if the division is multiplication interrelated?

klau in the back and forth to keep the score.

eg

2x3 = 6 then 6:3 = 2

3x2 = 6 then 6:2 = 3

klau bgtu, How did the explanation about this pack?

0 x 1 = 0 then 0:1 = 0

1: 0 = 0 then 0:0 = ill trdfnisikn

2: 0 = 0 then 0:0 = ill trdfnisikn

This brarti SLG inverse ill donk pak.?

The operation number is a function, because any number that operate to produce one and only one map (the result).

Multiplication

Multiplication is repeated addition of pengalinya numbers, so that

1 x 0 is the sum of the number 1 is not repeated at all means no

0 x 1 adaah sum of the number 0 is repeated once

so that the value

value of 1 x 0 equal to

value of 0 x 1

but the concept is not the same.

OPERATIONS DIVISION

The division is the inverse of multiplication, since multiplication is a function then has the inverse.

0 x 1 = 0 then 0: 1 = 0

but

1 x 0 = 0 while 0: 0 is not a function because the results are not singular. So also with 1: 0 is not a function.

Another example

5 x 0 = 0

10 x 0 = 0

123 x 0 = 0

............

............

etc

then 0: 0 may be equal to 5, 10 or 123 is a cause that 0: 0 is not a function.

Remember the sense of function,

f: x ==> y, x and y member A member of B,

where f is a function if every x member of A has a shadow member of the B y and nothing else.

## Thursday, February 17, 2011

### Operations Concept Understanding Numbers

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