31ԏԏбеãf(shu)_
AxlλƷҪ
BͨܺƷľú
C(sh)йl
Dһо汻Ŀ͇Ͷʹ?br />32зУԂֵйֵ㷽?br />A?nbsp;
B(sh)ʼֵ(zhn)
Cϵ
D(sh)y(tng)ֵ۷
33ָ\ʽr(sh)ֵ
AͶ
BϢ
CͶ
DE
34йι˾_
A˾ɶr(sh)(qun)е
B˾Ŀh(yun)œһ?br />Cɶ٣ҲHһ?100
D˾ɶT˾?br />35жӯƽⷨⲻ_x
AA(y)
BI(y)IJӯƽ|ûҲûз?nbsp;
CrϣӲH
DӯƽⷨУĿـ}(cng)Ϊȉ?br />36йĹɣ_x
AI(yng)I(y)=I(yng)I(y)-I(yng)I(y)
BI(yng)I(y)=I(yng)I(y)+I(y)
Cܶ=I(yng)I(y)+Ͷ+
D=ܶһ
37ijĿͶԴУĿr(sh)1000Ԫһǰʽ500Ԫ10%rĿr(sh)Ͷ(yng)
A1000
B1500
C1550
D1650
38ĿľI(y)ɿӯD(zhun)۵㣬[ـķ[vյijΪͶʾṩW(xu)n
AԷ
B_Է
Cӯƽ
Dش_
39Ҫķ
AT_
BƷ
Cʷ
Dɷ
40ij豸?0Ԫُ(gu)ֵ20ԪϢÿ֧5Ԫ豸f?5Ԫ33%豸VֵԪ
A0
B382
C17
D-17