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2018-12-03 15:50:40ǽ
1Q^ֵ(wn)}
Ҫ(jin)ֵʽ}˼·ǣѺ^ֵĆ(wn)}D鲻^ֵĆ(wn)}
wDУ
ٷ(li)ӑՓ:^ֵ̖еĔʽӵؓrȥ^ֵ
c(din)ֶӑՓmںһ(g)ĸĶ(g)^ֵr
ۃ߅ƽmڃ߅ؓķ̻ʽ
xm@xr
2ʽֽ
헔xͰһ㲽EM(jn)ʽֽҪʽֽһ㲽Eǣ
ȡʽ
xùʽ
ʮ˷
ֽMֽⷨ
헷
3䷽
ȫƽʽһ(g)ʽӻֻȫƽʽ䷽ǔW(xu)еҪͼ䷽ҪУ
4QԪ
ijЩsͷҪõ“QԪ”QԪ̵ⷽһ㲽Eǣ
OԪ→QԪ→Ԫ→߀Ԫ
5ϵ
ϵ֪ʽėlһNmc(din)ʽ(xin)̵Ҫ(wn)}ĽQ}EǣOТ۽܌(xi)
6sʽ
sʽ͗lʹüɣ߅߅׃
ʽֽͣ
(-----)(----)=0ɷNr
ƽͣ
(----)2+(----)2=0ɷNr
7W(xu)Ѓɂ(g)Ľ}˼·
(1)ֵ˼·ֵĸķ̻̽M
(2)ȡֵ˼·ĸIJʽʽM
8(jin)θʽ
˼·ǣ√mȫƽʽ
9^(gun)취
10ʽֵ
У
(1)ֱӴ뷨
(2)(jin)뷨
(3)m׃ηͷe뷨
ע⣺ֵĴʽĸ“Q(chng)ʽ”r(sh)ͨԻĸ“ce”ʽĶ“ͷe뷨”ֵ
11⺬
г^(gu)δ֪еĸЅ@N̽к⺬һҪ‘(li)ӑՓ’ԭtǣ
(1)(li)
(2)ҪӑՓ
(3)(li)(xi)YՓ
12ȳ×l
(1)ax+b=0xP(gun)xķax+b=0Пo(w)(g)a=0b=0
(2)ax2bxc0xP(gun)xķax2bxc0Пo(w)a=0b=0c=0
13㲻ȳėl
һԪβʽ⼯RP(gun)YՓõк㲻ȳėl
14ƽҎ
DƽҎоsҪƽҎǣ
15D
ӑՓ|(zh)ҪLjD——D|(zh)
xDXSόIJ
ֵDYSόIJ
{ԏҿBmһXSόą^g^gҿBm½һXSόą^gǜp^g
ֵDc(din)ֵ̎Dc(din)̎Сֵ
żP(gun)YSQ(chng)żP(gun)ԭc(din)Q(chng)溯
16ʽgҪP(gun)ϵ
̵ĸ
DcxSc(din)M
ʽ⼯c(din)
17һԪβʽĽⷨ
һԪβʽʽֽDԪһβʽMȥ^sĺ(jin)Č(sh)ýⷨǸ“(g)”gP(gun)ϵöκĈDȥwE£
λ
Єe
(hu)ʾD
⼯MS
18һԪη̸ӑՓ
һԪη̸ķ̖(wn)}m͆(wn)}øЄeʽcϵP(gun)ϵ(li)Qһ㆖(wn)}eDž^gĆ(wn)}Ҫ“(g)”gP(gun)ϵöκĈD(li)Q“D”QһԪη̸Ć(wn)}һ˼·ǣ
}
κD
ʽM
ʽMaķ̖rQ(chng)Sλ^gc(din)ֵķ̖
19څ^gϵֵ
҂W(xu)^(gu)һκκQ(chng)ĺǻֵֵЃɷNr
(1)x](mi)eƕr(sh)---ӛYՓ
(2)xeƕr(sh)---Dؔ෨һ˼·ǣ
(hu)D
سһ
óYՓ
20ֵ͑}Ľⷨ
}漰“һ(g)׃ȡʲôֵr(sh)һ(g)׃ȡֵСֵ”Ć(wn)}ֵ͑}Qֵ͑}Ļ˼·Ǻ˼뷨}Eǣ
O׃
к
ֵ
(xi)YՓ
21(xin)
(xin)ǽߴβʽͷʽʽ÷һ˼·ǣ
헻
˸
洩ż
ע⣺ٸߴβʽҪ헺ʽֽķ“߅˷e߅”ʽڷʽʽһ㲻Ã߅ȥĸķ(li)Ҫͨ^(gu)ֺͨϲʽֽķ“ʽ”ô(xin)