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:
(400+45) = 545
(200+200) = 400
(200+450) = 650
(1+2) = 3
(1+1) = 2
(150+50) = 200
= 80
= 1/2 . .
= 1 . .
= 80
= 100
= 50
= 50
= 600
:
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. |
, -
200 ,
1-2 .. ,
() , .
- -
1 ,
2 .. ,
1 ,
1 (250 ),
, 2 , . , , .
- , .
1/2 , , , , 40 .
, !
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