- , , , . , . ( , ). : , , -. , , , , . - ( ), - ( ), ( ),( . ), ( ).
, -, . , - . , . , . , . , -.
5. 30 ֳ 4,6 1 . 12% 10% - . , , 80 . . , 15 ..?
ֳ =(( + ) / )* 100%
, , .
,
= 30 * 4,6=138 .
=138-80=58 .
58-15=43 .
ֳ =43/12%*100%=358,3 .
³: ֳ 358,3 .
7
1. , 8%, 10%, 15%.
Q 8%
P 10%
V 15%
Q
P
V
MV = PQ
M = PQ / V
|
|
IQ = 108%
IP = 110%
IV = 115%
IM = (110%*108%)/115% = 103.3%
³: ʳ 3,3%
2.) 60 . 136 ., 7 . 80 . ³ , 50% 쳿, 50% . : ) ; ) .
60. 136.. 7.Ǻ. 80.-?
=80*0,5=40.
56---80
60----
=60*80/56=4800/56=85,7.
= 85,7+40125.7.
, - -
3) 36 .., 18 .., , 0,8 .., 1 .. 20 . 1 , 2 . .
= 36 ; = 18 . , = 0,8 / = 1 ... 20
. = 36+18 +0,8=54,8 .
54/20+1*12+0,8*6=2,7+12+4,8=19,5
19,5/54,8=0,35
4. 쳻 , ?