!
1. https://www.youtube.com/watch?v=Vpr5xKb1nnQ
1. 0210.
.
2. 5 , .
Google .
3-5
. , , ..
: http://www.youtube.com/watch?v=eDAOeEO15jU
2 .
3.http://www.youtube.com/watch?v=VVUb0UbBj8A
4.
https://www.youtube.com/watch?v=k39-WpBuMtw
5. 2 .
https://www.youtube.com/watch?v=Z61QuCUyBJA-
6. .
https://www.youtube.com/watch?v=izRqQvOzzAg&t=243s
. : , , . 3 .
___ 2 . , 2 . https://www.youtube.com/watch?v=1TjBSelykEM
7.
: 50 .
!
2: 0210.
.
1. 3
2. 3
!!! ip-. , . . .
:
https://www.youtube.com/watch?v=3rQYOg9NrCw&feature=youtu.be
http://www.youtube.com/watch?v=i61aYSNtnwA
3. https://www.youtube.com/watch?v=5polEd6HrxI
4.
5. 1 10 http://laramirra.com/ppp/10_urokov_na_salfetkah.pd
: https://vk.com/docs-132013486
6. -50 .
!
3: 0210.
. ().
1. ( 5 (3 , 1 , 1 ), 50 )
- ,
-
-
-
, :
-
-
-
- ,
-
10- https://youtu.be/ZzCZ3w42JBw
2-3 ( . , , ). .
: . . : .
2. ( 20, , , )
|
|
|
3. https://www.youtube.com/watch?v=Z8e5gxlqUao
4. .
5. 2
6.
7. https://www.youtube.com/watch?v=l1TYoiD4aZA
8. -50
1. ( 5 (3 , 1 , 1 ), 50 )
2. https://www.youtube.com/watch?v=RcU4waX0f2g&t=1s
3. .
4. 3
5.
6. , https://www.youtube.com/watch?v=yicvh70OvX8
7. 50 .
1. ( 5 (2 , 2 , 1 ), 50 )
2. :
https://www.youtube.com/watch?v=E2WFg3Nj-Rg
https://www.youtube.com/watch?v=dK_pLzISUnA - ,
3.
4. (, , , 20)
5. 4
6.
- https://www.youtube.com/watch?v=CAemRNyvlE4
- https://www.youtube.com/watch?v=5SwoTZ9L-Bk
7. 50
!
- --=!!!!!!!!
https://www.youtube.com/watch?v=raBnKehmlsc
)
2 - 15000\17 = 882 . 9%, .
900\21 = 42 ( 2 ). 300, 14 ( 22)
21 ( ): 3% = 150
21 3 . 3%, 150
150/3 = 50 .
7 /50 = 7 . (7 7 , 2-3 , 25-30 )
.. , 1, 7 .
2-3 .
21 , 9 , 100%.
21 : 6% = 450 + = 600
21 3 .
600/3 = 200
7 /200 = 30 , .. 25-30 1 .
.. , 2 , 1 (1 ).
14 7 .
42 , 21 100%.
2. 50 - >300 .
!
1. 3. .
, 4-5 !
