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: Astrea
, . .
1. 1: 4 (- ). , – 1 = 4 , . . 2,5 . - – .
2. 3
3.
4. ,
5.
4 ( , ):
1. ( ) – 88
2. = 34
3. = 56
4. ( - ) =32.
.
1. 1 – –
= = 56
= : 44
2. ,
,
( : 2) - = 44 -32 =12 , 2 ,
2. 12 : 2 =6
3. :
: 6 + 5. – 88 : 6 + 5 = 19,5 ( 19)
,
4. :
: 3 . 33 : 3 = 11
2 ( )
, .
, , .
–
( - – )
.
.
– 1-4 ,
. .
= : 6 + 2. 33 : 6 + 2 = 7,5
, –
( – - 2 )
.
2
1. ( - 18 )
2. (55 )
1. = = 55
2. : 3 + 2 (88 : 3 + 2 = 31,3 ( 32 )
= :
8 + 3 – 88 : 8 + 3 = 14
( ) = + 2 = 18 + 2 = 20
– – , –
, ,
. –
«» N 6 1985 . ( ) : , , , . , . , 
