122/5äƤޤĤ餤
58ڡ 0:05:36 41763

224/5äƤޤĤ餤
­餤Ǥʤ
58ڡ 0:10:01 41764
٥륯åĥ
Ʊ˵ŤдñǤ͡ȤĤķ׻ߥǰְ㤨Ƥޤޤ
58ڡ 0:11:18 41765
⡼ޥ
դޤ ^^
ޤ360뤫
ʬ΢a,b,cȤʳmȤ...
2(a+b+c)+3m=(34*42+46)=122
m=a+b+c
5m=122
Τ2m=244/5
¨ ^^;v 58ڡ 0:14:43 41766
ǯ
Ȥߤʤ顢ʿԻշʬʭãšˤϤȾʬ
Ѥ­ʣܣܣᣱˡȾʬ򣳲ȣ­Τˤʤꡢdzޤ
ñʷ׻򡢲ޤΤǽˣäƤޤäƤ

58ڡ 0:42:52 41767
Mr.ǥ
DCEγ¦
ABCD˽Ťʤ褦ˢABCưAFED˽Ťʤ褦
AFEưȡACEβˢACEȹƱʻѷǤ

ϻѷABCDEFѤSȤ
ABCܢCDEܢAFES/2
(ABC+46)+(CDE34)+(AFE+42)3S
S/21223S
S244/5
ȵޤ
58ڡ 13:25:43 41768
abcba@baLLjugglermoka
ηǼĤΤ⣲֤֤Ǥ͡GWڤߤޤ

ơϡ360Ȥ狼ľޤ34,42,46οޤʬ¤ϻѷѤȾʬˤʤäƤޤͤ͡ϹͤΤڤǤ͡
58ڡ 0:58:24 41769

γѤ˽ޤ褦ߤͤޤȣĤο޷ζʬϽ᤿ѤϤ໰ѷˤʤꡢϻѷϤλѷʬȤ狼ޤʣܣܣˡࣵߣǣˤʤޤ
Ρعο޷ξƳߤͤޡʤɤʻͳѷǤƱʻͳѷʿ̤ߤͤˤäΤפФޤ
Ϻꡡ 58ڡ 7:23:32 41770

򤱤ޤDz򤤤Τϵפ֤ꡣͤƤ褫ä
ɳλפ褦ʲˡǤϤʤ
ϻѷ¤٤ơ360٤γѤޤ褦ˤʤ١
Ѥδط顢Ѥ򾮤a, a+4, a+12
ȤơѤδط(ʿԻշѤȾʬȤ)Ĥ
a=14/5
ä4614/5244/5
ȤƲ򤭤ޤ

ʬϻѷȾʬȳΤ򸫤Ƶդޤ
ޤޤԤ­ޤ
ٶˤʤޤ
Tokushima 58ڡ 12:22:21 HomePage:41771
uchinyan
Ϥˤϡơϡ
ϡŪˤϷ빽񤷤ΤǤϡȻפΤΡȤƤϰ꤬ä⤹뤷ɸŪˤʤäƤޤΤǤ礦
Ǹդ꤬äݤǤϿޤȤäȤơʴǡ

ޤABC A CB D˽Ť͡C ΰư C' CE ˴ؤ AF ȿ¦褦˰ưޤ
ˡAFE A EF D˽Ť͡E ΰư E' CE ˴ؤ AF ȿ¦褦˰ưޤ
ȡCDC' + EDE' = ABC + AFE = ܥ + ܥ = 360- ܥ = 360- CDEC'D = BC = EF = E'DʤΤǡ
C' = E' ǡC' = E' = P ȤСPD = BC = EF Ȥʤꡤ
PCE = CDP + CDE + EDP = ABC + CDE + AFE
ˡAB = CPAE = EP ʤΤǡACE PCEǡ
ACE = PCE = ABC + CDE + AFE
ϻѷABCDEF = ACE + ABC + CDE + AFE = ACE * 2
ǡ
ACE + ABC + AFE = ޳ѷABCEF = 34 cm^2
ACE + ABC + CDE = ޳ѷABCDE = 42 cm^2
ACE + CDE + AFE = ޳ѷACDEF = 46 cm^2
ʤΤǡ
ACE * 3 + (ABC + CDE + AFE) * 2 = ޳ѷABCEF + ޳ѷABCDE + ޳ѷACDEF = 34 + 42 + 46 = 122
ACE * 3 + (ABC + CDE + AFE) * 2 = ACE * 3 + ACE * 2 = ACE * 5 = ϻѷABCDEF * 5/2
ϻѷABCDEF * 5/2 = 122
ϻѷABCDEF = 244/5 cm^2
ˤʤޤ
ͥνȡ 58ڡ 13:40:02 41772
uchinyan
ǼĤɤߤޤ

ϡ٤ʬϤȤ⤫Ȥ⡤
οޤθ޳ѷĤʬѤ¤ϻѷѤȾʬ
ȤΤˤƤȸäƤ褵Ǥ

դ˸ȡ˵դʤȶϫ뤳ȤˤʤꤽǤ
ͥνȡ 58ڡ 13:44:22 MAIL:uchi@sco.bekkoame.ne.jp 41773

ߤʤƱȻפޤ
58ڡ 17:02:16 41774
Ϸʼ
ʬܤޤ
ο̤ܤТ£ƤȢãģŤ좢£ãţƤĤޤ
Ʊͤˡȱο̤ܤТ£ãţƤäޤ
衡ʣܣܣˡߣʣݣˡᣴ
ʡ 512ʷ 9:29:41 41775
ϥ饮㡼ƥ
褦䤯ǤޤMATHEMATICAŪǤƱ褦
ͤǤ
512ʷ 16:38:36 HomePage:湩ؤ˥41776
ޤ
360˽Ƥ顢ѷιƱ˵ŤޤǤ˻֤Ϥޤפ֤˰ȯ(^^v
513ʲС 12:49:40 41777