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.
: 36-38 (40-42, 44-46).
, .
: 450 (500, 550) , 40% , 30% , 20% , 10% ; 125 50 ; 4; 3,5.
1: = – .
2: = – , – .
3: 2 ( ). : , * 1 , 2 (1 , , 1 , ), * , . : .
4: = 2 1, 2 2, 2 3, 8 2 = 14 , : 2 . = 16 .
5: ( 9 + 2 + 2 ) = . . . 1 , , 1 . 1-4- .
: 5 – 21 25 = 10 10 ; 4 16 = 5 .
186 (206, 222) 4. 5 = 16 94 (104, 112) .
5, 2- 1- 1 = 94 (103, 112) .
9,5 = 24
1 1 , 16- 3 1
2 = 102 (111, 120) .
32 = 80 (31 = 78 ; 30 = 76 )
1 5 = 92 (101, 110) .
, ,
2. 48 = 120
36 (37, 38) .

2-
1 4 1 3 . 50,5 = 126
21 (25, 29) .
, ,
41,5 = 104 18 (19, 20) ,
2- 1 4 , 1 3
, 1 2 7 1 .
114
4. 5 = 16 58 .
5.
13,5 = 34
1 1 , 8- 6 1
6- 2 1 ( 4- 10 1 ;
4- 6- 12 1 ) = 76 (80, 84) . 40 =
100 .
.
118 : 2
, 1 , 1 3 (= * 1 , 2
, * ), 1
2 .
, . , . .
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