ڣָ
һ
ָIϢCyC
һC
1.
ʣʲ/×100%
һnԽ]ӳICԽfԽбCͨ200%Ƚrʡ
rע?BR>1ȻԽ]IʲC̶ԽⲢ˵c
2fĽǶȿȻϣԽԽ֙IIǶȿߵͨζIij࣬ȻҵɱӺͻĽ?
3ǷͬIͬIsͬһIͬrԑ۱Dzͬġ
4ԖrһЩصӰ?BR>P501 [12-3] ʷ
2.R
^RʲָʲȥϲҲȶĴAz̯áʲʧ֮
R=Rʲ/×100%
Rʲ=ʽ+Ͷ+z+Ʊ
=ʲ--Az--ʲʧ
һnRԽ]IԽͨR100%rǡ
ԖrעRʽ֮ʸܷӳİȫԺȶԣRʽϵ͵IaAH
P502 [12-4] Rʷ
3.
ʣ꾭Ӫ?ĩ×100%
P503 [12-5] ʷ
ָԽIIֽԝԽܱICҲԽԽãָIʽòӯ
C
1.ʲ
ʲʣܶ/ʲܶ×100%
һnʲԽСICԽָСIAܸòʲ60%ʡ
P504 [12-6] ʲʷ
2. ʣܶ/ܶ×100%
һnԽͣIijCԽ\̶Խ]еķԽСIHֵطbIJܸЧ
ʲR۳]ͬߵҪʲʲԖȫr̶xVʾṹȽ̌HVյ?BR>P505 [12-7] ʷ
3.fϢ=Ϣǰ/Ϣ֧
fϢӳIĴСҷӳ˻Գ\C̶ȡ
һnfϢԽ]IC
4.ʲʺ=+ԍ/̶ʲ+Ͷʣ×100
һԴIķԴIͨͶЧָ
I
1 ʲD
×××ʲDʣII?×××ʲƽ
DʣD=D/ʲƽ
ʲƽ=Cʲ+ĩʲ?2
DڣD=/D=ʲƽ×/D
×××ʲD360/×××D
1zDʡ
zDʣD=II?ƽz
DʸsѸ٣϶;ʲC;ۿs˷úͻʧIʲͶ?BR>ʽzDrҪע⣺ٹʽМ˿?z""Ʊ"ȫz;zIJԽϴʹø꾡ļϣ簴ÿµzƽռö;۷ӡĸעrԡ
2Dʡ
DʣD=II/ƽ
DRoĿӳI桢ۍ״ĺû҃İVԜk
һDԽԽãDԽ]ֵRԽ졢תԽgռˮƽԽ?/DIV>
3ʲD ʲDʣD=II?ƽʲܶ
2.̶ʲD
̶ʲDʣD=II?ƽ̶ʲֵ
3.ʲDʲDʣD=II?ƽʲܶ