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– . .
, . , .
3, 50 .
, .
2 . – 8 .
2 1 , 6 .
, 10 .
1 5 – 3
3 – 2
1 2 – 2
1 1 , .
2 – 9
2 1 – 9 =18
(2 1 -1 )*9 = 27
1 27
(2 1 – 1 )*13 = 40
10 40
(2 1 -5 )*10 = 50
8 50
1 5 – 30 , 2 1 – .
2 – 4
2 1 – 26 = 30
6 30
2 1 – 15
15 – , , 15-20 .
2 – 4
2 1 – 16 = 20
(2 1 – 1 ) * 25 = 45
8 45
(5 – 1 )* 25
20 – , , 15-20 .
2 – 4
( 1 – 2 1 )* 2 =6
( 1 (21 *2))*2 =10
(1 (21 *4))*2 =18
1 18
(1 ( 1 – 21)*4 )*2 =26
2 26
(1 (2 – 21)*4 )*2 =34
7 34
(1 ( 3 – 1 )* 4)* 2 = 26
3 26
(1 (3 – 1 )*3 )*2 = 20
5 20
1 – 10 – 1 =18
18 , , , 15-20 .
, .
, , .
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