??/b> |
?
= 500 ?/strong>
?= 6 . ?+ 3 . ? ?
??= 1 ?/strong>
= 1/2 ? ?/strong>
=1/3 ? ?/strong>
?= 3 .
?= 1 . ?/strong>
? ?/strong>
? ?/strong>
|
??/b> |
|
??/b> |
|
??/b> |
|
??/b> |
|