I. () , (, , ..), .
II. (), , , () .
III. e 1, , ( ).
IV. , . ( 1).
V. (, , ..), 2.
15, .
1. 3 4 . ?
2. 8 , 3 . ?
3. 4 , 3 . . ?
4. 12 . ?
5. 12 4 , . ?
1.
1. , 1 (.. ).
1
2. . . , 3 , e () = 3.
(, : = + ) 4 , () = 4.
3 4
= .
3. .. = + , ( 1) :
() = () + (BC) = 3 + 4 = 7.
4. . 7 ( 2).
2.
1. , 1 ( ).
1
2. . . , , () = 8. (, = + ), , () = 3.
= .
3. .. = + , ( 1) :
e () = () () =8 3 = 5.
4. . 5 ( 2).
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3.
1. , 1 ( 4- ).
. 1 .
2. 4- . , 4- ; = 4 ()= 4.
3. 1, 1 (.. ). 1, , = 3 1, 1() = 3 (.. 1 3 ).
1 1 1 1
1 .
4. ( ) 1 , ( 1) :
1(a) = 1() () =3 4 = 12.
5. . 12 ( 2).
4.
1. , 1 ( ).
2. . , 12- , , = 12 e ()=12.
3. 1, (.. ). 1, 3- , .
e l ( 1 ) 1 = 3 ( 1) = 3.
4. ( ) 1 , , (1 ) 1, :
1(a) = (a): (e 1) =12: 3 = 4.
5. . 4 ( 2).
5.
1. , 1 ( ).
2. 4- , . , (12 ), .. 12- , , = 12 () = 12.
3. 4 , 1, .. 4 .
= 4 1 () = 4.
1 .
4. ( ) 1 ( ) , , ( 2) 1:
( 1) = (a): 1 (a) =12: 4 = 3.
5. . 3 ( 2).
. .
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1. n ?
2. , ?
3. , :
) 3 12 . 2 ?
) 5 , 4 . ?
IX
. VI , ; VII ; VIII ( ). , , , . , ( ) ( ), . .