ߤ
ѷѤơãġᣱ¡£áģšţơᣲ
ϻѷ롣ϻѷϣգѷʬǤꡢˤǤ
ͳѷϣգѷʬǤ롣
ʾꡢߡʣˡ᣹
79ڡ 0:11:23 43453
ߡ
곫֤
1159˥⤦Ƥ衣
79ڡ 0:12:52 43454
ǯ
岼оΤϻѷͤơοޤAC,FD֤
ѤƱѷ16ġΤ2ĤʤΤ2*36/16=9/2Ȥޤ
ŪϻѷǹͤƤߤޤ
79ڡ 0:13:13 43455
!!!
Ƕ᤺ä59ʬȤǤ
͡ 79ڡ 0:13:26 43456
ߡ
ʤǯȾ餤ޤȤ˻äƤʤäΤʤä
㤢轵Ͼޤ
79ڡ 0:20:56 43457
٥륯åĥ
̤䤿ᤤȻפä餽̩
ޤץ饹1ʬȤƤ⽼ʬᤤǤ
79ڡ 1:05:15 43458
٥륯åĥ
ʤߤ˲ѡ̲ܤƤΤϾά
79ڡ 1:09:34 43459

޷˺٤ʻΤʤȤüʷǡ
ǣ£ŤʬơãĤȾ岼ˣʬǺȡΤʬ޷ʬˤʤޤ
ʤߤ󤵤ƱͤǤ
Ϻꡡ 79ڡ 2:24:26 43460

ɿޤǫ˽񤱤Сʤλ
ʬΤ8ʬ1
äơ361/89/2ʡ
79ڡ 2:25:10 HomePage:webtest43461

¦ĹƣѷꡢȣĤˤ狼ơ
ƱѤü첽
ѷΣʬΣϣѷΣʬΣ9/2
̤ξϡ狼ޤOrz
79ڡ 4:08:51 MAIL:nikotan@fat.coara.or.jp 43463
٥륯åĥ
Ϥ褦ޤ7ܤФƤޤޤ
ͼȽ񤭤ޤ+桢⤵ѤǤ͡Ѥաʤӹ⤵гĹˤäƤĤǤ
79ڡ 6:44:41 43464
⡼ޥ
ƥ륲 ^^
ͳѷγդʬ䤷ȤѤ1/9ˤʤ뤳ȤΤäƤΤ...
(ξϤ˻פФޤ^^;)
ȡˢĤäƻͳѤˤΤ1/9
;ʬʬΤ1/9
36*(9/8)*(1/9)=36/8=9/2
ȡŷŪˡOrz
¨ ^^;v 79ڡ 8:01:12 43465
Mr.ǥ
¿Ʊ褦ü첽Фޤ
ʰ̤ξϡܤܤͤƤߤޤ
79ڡ 9:12:12 43466
ǯ
#43465⡼ޥ󤵤餷
⤵Ƥޤ
1/9ξݤǤ͡3ʳǤξǡ
ͳѷդλʬǤǤ1/3ѡʬιͤʤưפǤǤϤ빽ݡ
Ĥ2դλʬ2Ĥ3ʬ
˭ѤơλͳѷѤϡλͳѷ1/9

79ڡ 14:45:13 43467
uchinyan
Ϥˤϡơϡ
ޤ򸫤ʸɤͤнʬʬäΤǡäü첽͡ȻפǤäȲ򤱤ޤ
θ塤ü줫ʤˡͤޤͤ˴Ƥʤ񤷤Τޤ
⤦ޤʤΤʡޤʴǡ

(ˡ1)ͱƤˤü첽
ͤнʬʤΤü첽ơ
ABEF AB = FE Ǥι⤵ AF CBED ϤȹƱȤޤ
ϻѷABCDEF ޤʿ̤ʿʿ̤ B ꤷ E 夲Ŭ˷Ŭʳ٤ʿԸƤơʿ̤˼ͱƤϡ
Ϳ줿ޤΤ褦ʰ̤ ϻѷABCDEF ޤͱƤˤäδطѲ㤨˰ܤޤ
ǡü첽ϻѷ 忧λͳѷΤϻѷȤ С줬Τޤް̤ξˤʤޤ
ü첽ϡդ AF ȤľջѷΡΤϻѷ 16 ܡ忧λͳѷ 2 ܡǡ
忧λͳѷΤϻѷ 1/8 ʤΤǡѤ 36 * 1/8 = 9/2 cm^2ˤʤޤ

(ˡ2)ü첽ʤˡ
ABBCDEEF Τ줾 KLMN ȤAM FLFL DKDK CNCN AM Τ줾θ PQRS Ȥޤ
ޤCD//BECDBE = 13ꡤCD//LM//BECDLMBE = 123ǡAF//LMAFLM = 12ȤʤäơAPPM = FPPL = 12Ǥ
ޤBKKA = BLLC = 11ꡤKL//ACKLAC = 12ǡAF//CDAF = CDACDF ʿԻշAC//FDAC = FDꡤ
KL//FDKLFD = 12ȤʤäơKQQD = LQQF = 12Ǥ
ǡFPPL = 12FQQL = 21ʤΤǡFPPQQL = 111ĤޤꡤPQ FL ʬޤ
ƱͤˤơQR DK RS CN SP AM 򡤤줾컰ʬޤ
ˡBAEF αĹθ GBCED αĹθ HȤޤ
ȡAF//BEAFBE = 13ꡤGAGB = GFGE = 13CD//BECDBE = 13ꡤHCHB = HDHE = 13Ȥʤäơ
AK GB CL HB DM HE AN GE 򡤤줾컰ʬޤ
λʬȡѷι⤵ͤơޤ
PQRS = PQR + PRS = RFL * 1/3 + PCN * 1/3
= (NFL * 1/3 + CFL * 2/3)/3 + (FCN * 2/3 + LCN * 1/3) * 1/3
= (LGE * 1/9 + FBH * 2/9)/3 + (CGE * 2/9 + NBH * 1/9) * 1/3
= ((BGE * 2/3 + HGE * 1/3) * 1/9 + ((GBH * 2/3 + EBH * 1/3) * 2/9) * 1/3
+ ((HGE * 2/3 + BGE * 1/3) * 2/9 + ((EBH * 2/3 + GBH * 1/3) * 1/9) * 1/3
= ((BGE + EBH) * 2/27 + HGE * 1/27 + GBH * 4/27) * 1/3
+ ((BGE + EBH) * 2/27 + HGE * 4/27 + GBH * 1/27) * 1/3
= ((BGE + EBH) * 4/27 + HGE * 5/27 + GBH * 5/27) * 1/3
= ((BGE + EBH) * 4/27 + (HGE + GBH) * 5/27) * 1/3
= (GBHE * 4/27 + GBHE * 5/27) * 1/3
= (GBHE * 1/3) * 1/3
= GBHE * 1/9
ǡGAFGBEABEF = 198HCDHBECBED = 198ʤΤǡ
GBHE = GBE + HBE = ABEF * 9/8 + CBED * 9/8 = ϻѷABCDEF * 9/8
Ȥʤäơ
PQRS = GBHE * 1/9 = ϻѷABCDEF * 9/8 * 1/9 = ϻѷABCDEF * 1/8
ǤϡϻѷABCDEF = 36 cm^2 ʤΤǡ
PQRS = 36 * 1/8 = 9/2 cm^2
ˤʤޤ

(ˡ1)ϡü첽ƤޤͱƤˤäѲʤȤȤäư̲Ƥޤ
(ˡ2)ϡʬȻѷι⤵ʬȤäưŪ˲򤤤Ƥޤľäơ
RFL = NFL * 1/3 + CFL * 2/3
ʤɤϡƤʤȤʤ񤷤Ȼפޤ
⤦ñˤǤʵ⤹ΤǤ

ȤƤϡ(ˡ1)ŤǤ뤫ɤ̤Ȥơ
ͤФΤü첽
ʤȤǤ礦
ͥνȡ 79ڡ 14:46:28 MAIL:uchi@sco.bekkoame.ne.jp 43468
uchinyan
ǼĤɤߤޤ
ࡤϤȤۤȤɤü첽Ʋ򤤤Ƥ褦Ǥ
ʤ¿Τȡü첽λ㤦Τǡü첽⤽λʬषޤ

#43453
ѷʻҾ֤ϻѷü첽ƹͤˡ

#43455
岼оΤϻѷü첽ƹͤˡ

#43459#43464
ܲ桤⤵桤Ѥ(ڤӹ⤵гĹ)桤ѤƲ򤯲ˡ
ܺ٤

#43460
BE ʬAFCD Ⱦ岼ˣʬǺϻѷü첽ƹͤˡ

#43461
ޤˤˡ ¿ʬ餫ü첽ޤǹͤƤ褦ʵޤ

#43463
դĹͳѷȣĽʬ䤵ΤǡѤ򤹤٤ü첽ƹͤˡ

#43465
դĹͳѷꡤͳѷγդʬ䤷ȤѤ 1/9 ˤʤ뤳ȤѤƲ򤯲ˡ
1/9 ˤʤ뤳ȤϤʤ

#43466
ü첽ƹͤˡܺ٤

#43467
#43465Ρͳѷγդʬ䤷ȤѤ 1/9ξΥȥ饤
ŪʾϾάƤޤ

#43468(ˡ1)
ABEF AB = FE Ǥι⤵ AF CBED ϤȹƱȤϻѷü첽ƹͤˡ
ͱƤ뤳Ȥǰ̤ξƤޤ
ʤߤˡü첽ϻѷ#43460ƱǤ

#43468(ˡ2)
դĹͳѷꡤͳѷγդʬȤѤ 1/9 ˤʤ뤳ȤѤƲ򤯲ˡ
#43465#43467ƱǤŪʾͿƤޤ
ͥνȡ 79ڡ 16:05:26 MAIL:uchi@sco.bekkoame.ne.jp 43469
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̤γʻҤˤƤˡ̤ФäݤΤǡ
*AF*ʻ˺ޤΤ褦꿶Ⱦ
B**EϻѷѤñ4ʬ
*CD*ͳѷѤñȾʬʤΤ9/2
79ڡ 17:08:31 43470
fumio
Ϥ褦ޤ
֤ƤޤǤ
ǤϤǤϡޤ͡
710ʶ 6:39:01 43471
ʪ
Ȳʡˤι⤵Ʊˤƹͤޤ


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