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В!- Astrea , .
, – 1 = 4 , . . 2,5 .
- – . 4 ( , ): 1. ( ) – 88 2. = 34 3. = 56 4. ( - ) =32. . 1. 1 – – = = 56 = : 44
2. , ,
( : 2) - = 44 -32 =12 , 2 , 2. В 12 : 2 =6 3. В : : 6 + 5. В – 88 : 6 + 5 = 19,5 ( 19)
,
4. :
В : 3 . 33 : 3 = 11 2 ( ) , .
– ( - – )
. – 1-4 , . .
= : 6 + 2. 33 : 6 + 2 = 7,5
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
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