6-

1

9

.

2

7

2

5

:

1

3

+

2

3

:

4

5

6-

1

9

.

2

7

= 6-

1.2

9.7

= 6-

2

63

=

6.63-2

63

=

376

63

=

2

5

.

3

1

+

2

3

.

5

4

=

6

5

+

10

12

=

6

5

+

5

6

=

36

30

+

25

30

=

61

30

bulunur.