7/30/2019 2011 21

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'

1

' 2011/2012

,

: 07/12/2011 : , 2

:

1. . , , ,

,

.

) ( + )3 i) 2 + 2+ 2

) ( )3 ii) 3 + 32+ 32 + 3

) ( + )2 iii) 2 2+ 2

) ( )2 iv) 3 32+ 32 3

[40,5=2 ]

. ,

( + ) ( ) = 2 2

[3 ]

2. ,

i) 2 32 8 2 ii)r5

2 r5

8r3

7 r12

7

iii) (2)3 54 iv) (3)2 (44)

v) (2)3 : 2

[51=5 ]

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---2---

'

'

3. , , ,

, ,

i) ( 3) ( + 3) ii) ( + 4)2 iii) (2 1)2

iv) (3+ 2)3 v) (2 2)3

[51=5 ]

4. ,

(2 )2 + (2+ ) (2 ) (2 )2 = 22 + 2

[5 ]