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חזקות ושורשים 2 - EXTRA

ab ba 

?

1.

a b

b a

a b

b a

(4)

(3)

(2)

(1)

2. 22 x

. ? x 

16

8

4

2

(4)

(3)

(2)

(1)

3. 27 xx 

. ? x 

39

33

9

3

(4)

(3)

(2)

(1)

x2

x

4. 2 16 24   

. ? x 

3

2

1

0

(4)

(3)

(2)

(1)

2  

. ? x 

5. x8 x,0x

4

2

24

22

(4)

(3)

(2)

(1)

2

10

6. b a a 

. ? a 

4 b

2 b

b

b

(4)

(3)

(2)

(1)

a

a a

?

7.

2

a

(4) 1a5.0

1a2

1a a 

1a a 

a

a 

(3)

(2)

(1)

20 3

15 4

?

8.

 

20 1

10 1

5 1

2 1

(4)

(3)

(2)

(1)

x 1

3

?

9. x2 x ,0x

 .

3 4

8

2

22

(4)

(3)

(2)

(1)

a

11. ? a

 

a

1

4 a

a

a

(4)

(3)

(2)

(1)

a

11. b ba  

. ?b 

2 a 

1 a 

2 a

a

(4)

(3)

(2)

(1)

EXTRA

209

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