31ԏԏбеãf_
AxlλƷҪ
BͨܺƷľú
Cйl
Dһо汻Ŀ͇Ͷʹ?br />32зУԂֵйֵ㷽?br />A?nbsp;
Bʼֵ
Cϵ
Dy(tng)ֵ۷
33ָ\ʽrֵ
AͶ
BϢ
CͶ
DE
34йι˾_
A˾ɶrе
B˾Ŀhœһ?br />Cɶ٣ҲHһ?100
D˾ɶT˾?br />35жӯƽⷨⲻ_x
AA
BI(y)IJӯƽ|ûҲûз?nbsp;
CrϣӲH
DӯƽⷨУĿـ}Ϊȉ?br />36йĹɣ_x
AII(y)=II(y)-II(y)
BII(y)=II(y)+I(y)
Cܶ=II(y)+Ͷ+
D=ܶһ
37ijĿͶԴУĿr1000Ԫһǰʽ500Ԫ10%rĿrͶ
A1000
B1500
C1550
D1650
38ĿľI(y)ɿӯD۵㣬[ـķ[vյijΪͶʾṩWn
AԷ
B_Է
Cӯƽ
Dش_
39Ҫķ
AT_
BƷ
Cʷ
Dɷ
40ij豸?0Ԫֵُ20ԪϢÿ֧5Ԫ豸f?5Ԫ33%豸VֵԪ
A0
B382
C17
D-17