| -1 | ||||
| -1 | ||||
| -1 |
3. 1. 1 - . . , , 1 . .
4. 2. 2 - . . , . 1 . .
5. 3. 3 , , . . 3, 2, , 2 . 2.
12:00 3 (. 6.5) :
7 - 0,2 28 = 1,4. , . .
6.5
3 12:00
| = 7 = 25 = 20 | = 28 = 19 = 5 |
6. . , , :
* 1 ( );
* 2 5 ( 5);
* 3 ( ) 10 ( 10) (. 6.6).
6.6
9:00
| 1 | 2 | 3 | |||
| = 17 | =81 | = 25 | = 110 | = 7 | = 38 |
| = 65 | = 5 | = 90 | = 2 | = 35 | = 19 |
| = 10 | = 6 | 1-1 = 10 | =13 | =20 | = 5 |
: 0,8; 3;
0,6 ( ).
7. , , . 6.7 , 5 .
6.7
| -1 | -2 |
III
___________________________________
7.
1. , , , , , .
|
|
|
2. , () .
3. .
, . .
, , .
. .
, . , . .
, .
, .
, , .
: , .
. 7.1.
10/20 = 0,5, 15/3 = 3. , (0,5 3), . . . .
, ( , ). . :
,
( 20); ( 10); » ( 15); » ( 5).
= (20/10 15/5)0,5 = 60,5= 2,4.
: , . ( ), , . .
, ( ). , 10. 10 2,4 = 24. ( ) 5 2,4 = 12.
|
|
|
. . 7.2 .
. 2, ,, 2 .
. 7.2.
1. , .
2. , , .
3. , .
4. .
5. . , ( ), .
6. , ( ) , , .
. , (), ( ).
7. , , .
| =3,5 |
. 7.3.
8. . , .
9. :
* . ;
* . , ;
* . ( );
* . ;
* . , , . , . . , . , .
10. (), .
1. (. 7.1).
. , . .
2. (. 7.2).
7.1
