5 , :
50 + 0,6 (n 5 ), n - .
12 :
50 + 0,6 (12 5 ) = 50 + 0,6 7 = 50 + 4,2 = 54,2
: 12 54,2 .
:
4.
13 . , , .
1. :________________________________________________
________________________________________________________________
_________________________________________________________________
:__________________________________________________________
________________________________________________________________
5. :________________________________________________
________________________________________________________________
_________________________________________________________________
:__________________________________________________________
________________________________________________________________
6. :_____________________________________
________________________________________________________________
_________________________________________________________________
:__________________________________________________________
________________________________________________________________
7. :_____________________________________
________________________________________________________________
_________________________________________________________________
:__________________________________________________________
________________________________________________________________
4:
- _____________ -_______________
- _____________ -______________
.
. 15 16 .
.
1. , (, ).
2. "" - , .
3. , "", ().
4. .
5. 1-4 (, ).
6. (, , ).
7. (. 15 ).
.
1. , .
|
|
2. "" , .
3. , "", .
4. .
5. ( 15-16 ).
:
"" , .
"", ( ), "" .
, .
.
4 . 98 , - 16 ,
55 . .
:
1. , 4 .
2. , , , : , , , :
98 3-
16 4-
55 4-
3. ,
:
3 + 4 + 4 = 11
4. (. . 15 )
.
:
1. 0 4- .
98 .
2. , , 5- .
3. .
:
, .
.
5.
6 , - 120 , 26 , 62 .
.
.
1. ___________________________________________________________
2. ___________________________________________________________
3. ___________________________________________________________
4. _________________________________________________________
: _________________________________________________________
.
__________________________________________________________
____________________________________________________
5:
____________________________________
_______________________________
___________________________________________________________
.
.
1. ( ).
2. , .
3. .
4. .
5. .
6. , , .
|
|
7. ( ).
8. :
). :
1. 6 .
2.
3.
4.
5.
6.
)
.
1. 6 . ͻ 150
:
) .
) .
:
6 , 7400 . .
, .
1. 6 . 1/8 .
2. 7400: 8 = 925
3.
4. 5 4 .
5. .
925 : 5 = 185
6. + 3 , , .
7. :
10 n; n - .
10 6 = 60
8. :
6 185
10 120 + 3
+ 60 ,
.
14 185 + 30
18 185 + 30
22 185
, .
:
4 ., 6000 .
. 1/2 .
, .
4 1/7 .
6000: 7 = 857
:
857 : 2 = 428
4 6 3,5 .
:
857: 6 = 182,8 , 183
:
183 : 2 = 91 , 90
, -1
:
10 n = 10 4 = 40
:
6 90 + 90 -1
9-30 90 + 90 -1 +
40
13 90 + 90 -1
16-30 90 + 90 -1
20-00 90 + 90 -1
23-30 90 + 90 -1
.
6.
5 , 7000 . .
1.___________________________________________________________
2.___________________________________________________________
3.__________________________________________________________
4.___________________________________________________________
5.____________________________________________________________
6.___________________________________________________
7.__________________________________________________________
8.__________________________________________
7.
7 , 8000 . . 1 .
1. ___________________________________________________________
2. ___________________________________________________________
3. ___________________________________________________________
4. ___________________________________________________________
5. ________________________________________________
6. _______________________________________
7. ______________________________________________________
8. ______________
8.
|
|
3 , 5200 . . 1/3 . 1 .
1._____________________________________________________________
2._____________________________________________________________
3._____________________________________________________________
4._____________________________________________________________
5._____________________________________________________________
6.____________________________________________________________7._____________________________________________________________8.________________________________________________________
9.
8 , 8800 . . 1 .
1. __________________________________________________________
2.___________________________________________________________
3.___________________________________________________________
4.___________________________________________________________
5.________________________________________________
6. _______________________________________
7. ______________________________________________________
8. ______________________________________________________