.


:




:

































 

 

 

 





________________________

 

 

. 6.17.

1 ;

2 ;

3 ;

4 ;

5 ;

6 ;

7 ;

8 ;

9 -;

10 (2-3 ).

. 6.18.

- _____________

- _____________

- _____________

1 - _____________

2 - _____________

3 - _____________

4 - _____________

5 - _____________

6 - ____________________

7 - ____________________

8 - ____________________

9 - _____________

_______________________________________________________________

________________

_____________

_________________________________________________________

. 6.19.

1 ;

2 ;

3 ;

4 - ;

5 ;

6 ;

7 ;

8 ;

9 .

.

_____________

_______

__________________________________________

.6.20.

1 - _____________

2 - _____________

3 - _____________

4 - _____________

5 - _____________

6 - ___________________

. 6.21.

 

, ____________________________________________________

__________________________

___________________________________________________________________

__________________________

_____

__________________________

, __________________________________________________

________

- ________________________________________________________________

________

:

- ______________

________

- ______________

______________________________________________________

__________________________________________________________

________

 

.

.

 

. 6.22.

- _____________

- _____________

- _____________

- _____________

- _____________

- _____________

- ____________

 

: 6, .50-61, , .6.11, .56

 

7:

1. , , . , .

2. , (, , ). , , .

3. , . .

 

_________________________________________________________________

____________________________________

 

:

- ___________________________________________________________

__________________

- ______________________________________________________________

__________________

- ________________________________________________________________

____________________________________

 

_____

 

__________________________________________________________

________________________________

. 7.1.

____________

____________

1 ____________

2 ____________

3 ____________

 

___________________________________________________

. 7.2.

. 50 75 , 800 1500 , 300 500 . . , ( ), . . , 5 .

. 200 × 250 × 60 . 80 120 . - , . , , . () ( 2 ). 500 × 500 × 100, 600 × × 400 × 100, 600 × 300 × 100 600 × × 300 × 125 .

. , . , . . . , , . : 667 × 500, 900 × × 300 , - 80 100 . , , . - 180 .

. _____________________________________________________

________________________

 

() ________________________________________

____________________________________

. 7.3.

____________

____________

1 ____________

2 ____________

3 ____________

4 ____________

__________________________________________________________

____________________________________

40 - 50 150 - 200 , . 10 , . Ø8-10 , 1000 1400 , . , , , . . , . , , .

500 600 . , 900 - 1200 40 - 50 , - 45 - 90. , , . , .

 

, 600 1200 50 (60) × 80 (100) . . 20 25 () : , , , , . . .

. 7.4.

;

;

1 ;

2 ;

3 ;

4 ;

5 ;

6 ;

7 ;

8 .

 

. __________________________________________________________

____________________________

:
8, 10, 12,5 14 25003000 ;
16, 18, 20, 24 25004800 .
1200 . 2500×1200×12,5 . ________________________________________________________________

________________

1. ˻

2. (-)

3.
4. (-)
5. (- (31 31))
6.

. 7.5.

____________

____________

1 ____________

2 ____________

3 ____________

4 ____________

5 ____________

6 ____________

7 ____________

8 ____________

9 ____________

10 ___________

__________________________________________________

____________________________________________________

. 7.6.

1 ____________

2 ____________

3 ____________

4 ____________

 

. 7.8.

____________

____________

1 ____________

2 ____________

3 ____________

4 ____________

5 ____________

6 ____________

7 ____________

8 ____________

9 ____________

10 ___________

11 ___________

. 7.9.

____________

____________

1 ____________

2 ____________

3 ____________

4 ____________

5 ____________

6 ____________

7 ____________

8 ____________

9 ____________

10 ___________

11 ___________

12 ___________

 

: 7, . 61-65, .

 


 

8: .

1. . (, ). , .

2. , , .

3. . . . .

4. , , . , . . .

 

________

____________________________________________

 

, , , , .

 

:

- : ________________________________________________________________

__________________

- : __________________________________

- : ______________________________________________________

__________________

. 8.1.

____________

____________

____________

____________

1 ____________

2 ____________

3 ____________

4 ____________

5 ____________

 

- : __________________________________________________

__________________

( );

( );

-;

( );

-;

-;

( ).

. .


.8.2. :
____________

____________

____________

____________

____________

___________________

____________

____________

___________________

 

- ( ): __________________________________

__________________

- : __________________________________________________

__________________

. 8.3.

____________

____________

____________

- : _________________________________________________________

________

 

. 8.4.

- : _____________________________________________

____________________________________

. 8.5.

____________

____________

 

__________________________________________________________________

__________________________

. 8.6.

1 ____________

2 ____________

3 ____________

4 ____________

 

______________________________________________________

____________________________________________

:


. 8.7. :
1 ____________

2 ____________

3 ____________

4 ____________

5 ____________

6 ____________

.

:

- ______________

____________________________________

___________________________________________________

 

_______________________________________________________________

____________________________________

, ____

__________________________________________

_______________________

 

___________________________________________________

_____________

_____

 

, , .

. 8.8.

1 ____________

2 ____________

3 ____________

4 ____________

5 ____________

6 ____________

7 ____________

8 ____________

9 ____________

10 ___________

11 ___________

12 ___________

________________________________________________________

________

________________________________________________________

____________________________________

- _______________________________________________

______________________________________________________

___________________________________________________

. 8.9.

____________

____________

____________

.

 

_____________________________________

. 8.10.

____________

____________

1 ____________

2 ____________

3 ____________

4 ____________

5 ____________

6 ____________

7 ____________

8 ____________

9 ____________

 

:

;

.

 

. 8.11.

____________

____________

1 ____________

2 ____________

3 ____________

4 ____________

5 ____________

6 ____________

 

15.6; 15.9; 15.12; 15.13,5; 15.15; 15.18; 15.21

22.7,5; 22.9

, . . 1:5 1:8. , .

. 8.12.

, , ________

1 ____________

2 ____________

3 ____________

4 ____________

5 ____________

6 ____________

 

_______________________________________________________

______________________________________________________________

1.

________

2.

______________________________________________________

3.

________

4.

______________________________________________________________

5.

____________________________________________

6.

________________________

7.

__________________________

8.

____________________________________

9.

______________________________________________________

10.

______________________________________________________

11.

______________________________________________________

12.

____________________________________

__________________________

 

_______________________________

 

. 8.13. ;

1 ( );

2 ();

3 ;

4 ;

5 ;

6 ;

7 ;

8 ;

9 ;

10 ;

11 - .

 

. 8.14.

1 ____________

2 ____________

3 ____________

4 ____________

5 ____________

6 ____________

7 ____________

 

________

__________________

_________________________________

 

:

- : ___________________________________________________

__________________

- (): _____________________________________________________

 

. 8.15.

 

- : _______________________________________________________

__________________

- : ________________________________________________________

____________________________________

 

. 8.16.

____________

____________

____________

_____





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