꼉(j)ĊW(sh)}uͬ\(yng)}𰸣
(do)Z(y)һһһ컬^(gu)ܣ СģСW(xu)W(sh)}ϣ(du),gӭxHP(gun)֪R(sh)Ո(qng)P(gun)עCNFLAW(xu)(x)W(wng)!
СW(xu)(sh)W(xu)W(sh)}һ
1tUPÿ֧0.19Ԫ{(ln)UPÿ֧0.11ԪɷNUPI(mi)16֧2.80Ԫ.(wn)t{(ln)UPI(mi)֧?
⣺“”X(qin)Ćλ.҂?c)O(sh)룬һN“u”11ֻ_һN“”19ֻ_16(g)^280ֻ_.
F(xin)ѽ(jng)I(mi)UP(wn)}D(zhun)“uͬ\”(wn)}.Ô(sh)ʽ
{(ln)P(sh)=(19×16-280)÷(19-11)
=24÷8
=3(֧).
tP(sh)=16-3=13(֧).
I(mi)13֧tUP3֧{(ln)UP.
(du)@(li)(wn)}Ӌ(j)㣬֪_(sh)'.2е“_(sh)”19c11֮30.҂ҲO(sh)16ֻ8ֻ“”8ֻ“u”(j)@һO(sh)_(sh)
8×(11+19)=240.
28040.
40÷(19-11)=5.
֪O(sh)е8ֻ“u”(yng)5ֻҲ“u”({(ln)UP)(sh)3.
30×819×1611×16ҪӋ(j)Щ.֪(sh)(li)Ӌ(j).
(sh)HϣO(sh)һ(g)Ô(sh)u(sh).O(sh)16ֻУ“Ô(sh)”10“u(sh)”6_(sh)
19×10+11×6=256.
28024.
24÷(19-11)=3
֪O(sh)6ֻ“u”Ҫ3ֻ.
ҪʹO(sh)Ĕ(sh)ܽoӋ(j)㎧(li)㣬ȡQ㱾I(lng).
СW(xu)(sh)W(xu)W(sh)}
1ֻu88(g)^244ֻ_uøжֻ?
⣺҂?c)O(sh)ÿֻu“u(d)”һֻ_վ;ÿֻӶÃɗlһÃֻ_վ.F(xin)ϳF(xin)_Ŀ(sh)һ·Ҳ
244÷2=122(ֻ).
122@(g)(sh)u^(sh)һӵ^(sh)ஔ(dng)˃ɴ.ˏ122pȥ^(sh)88ʣµľ^(sh)
122-88=34
34ֻ.(dng)Ȼu54ֻ.
34ֻu54ֻ.
Ӌ(j)ԚwY(ji)ʽ
_(sh)÷2-^(sh)=Ӕ(sh).
ĽⷨǡO㽛(jng)ӛd.һγһΜpRӔ(sh)ຆ(jin)!܉@Ҫúu_(sh)քe42422.(dng)(wn)}D(zhun)@(li)(wn)}r(sh)“_(sh)”Ͳһ42Ӌ(j)㷽вͨ.҂(du)@(li)(wn)}oһNһⷨ.
߀f(shu)1.
O(sh)88ֻô4×88ֻ_244ֻ_
88×4-244=108(ֻ).
ÿֻu(4-2)ֻ_Թu
(88×4-244)÷(4-2)= 54(ֻ).
f(shu)҂?c)O(sh)88ֻ“”54ֻ.u.˿гʽ
u(sh)=(_(sh)×^(sh)-_(sh))÷(_(sh)-u_(sh)).
(dng)Ȼ҂ҲO(sh)88ֻ“u”ô_2×88=176(ֻ)244ֻ_
244-176=68(ֻ).
ÿֻuÿֻ(4-2)ֻ_
68÷2=34(ֻ).
f(shu)O(sh)е“u”34ֻҲгʽ
Ô(sh)=(_(sh)-u_(sh)×^(sh))÷(_(sh)-u_(sh)).
ɂ(g)ʽضãһ(g)Ô(sh)u(sh)ÿ^(sh)ȥp֪һ(g)(sh).
O(sh)ȫuȫͨ@ӵ˼·˷Q(chng)“O(sh)”.
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