, (, ), (, ) .
, .
, 10% . 5%- (10 100 ) . , 5-10 4% .
2-30 . . , 5-10% , . 10%- , 5% . , 1-2 1-2 3-5 .
.
. (30-50). . .
(5-10%), 40 %- (3-5 1 ) . , . . .
( 2) . ( 3), , , , , .. , , ( ):
- () (53*22,63): 100 = 11,99 ;
- (22,95*6,22): 100 = 1,49 ;
- 11,99-1,49 = 10,50 ;
- (10,5: 11,99) * 100 = 87,6%
. ( 5).
1) ?
2) ?
3) ?
4) , ?
5) ?