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BASIC OPERATIONS

S.I. SYSTEM

There are Four Basic Operations in Mathematics

            

      Addition (+)

            Subtraction (-)

            Multiplication (x)

             Division (^./_{. )}

         

Example:

1.       44+4=

Solution

T            U

4             4

+             4

4            8

2.       5+2+15 =

Solution

T            U

               5

+             2

1             5

2             2

3.       33-2=

T            U

3             3

-              2

3             1

1.       72-47=

T            U

7             2

                  4             7

2            5
________

2.       T            U
       7     0     8
       5     3     9
       1     6     9
       ________