A Training System of Ruby Programmers / Rubyプログラマが育つ仕組み - Rubyでの受託開発を10年回してみて -

A talk presentation for RubyWorld Conference 2017 held in Matsue, Japan. Introducing Everyleaf Corporation's training program. Written in Japanese.

Transcript

1. 3VCZϓϩάϥϚ͕
   ҭͭ࢓૊Έ
   3VCZͰͷडୗ։ൃΛ೥ճͯ͠Έͯ
   
   ג
   ສ༿େ৔ೡࢠ!OBZ
   

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2. "CPVU.F
   େ৔ೡࢠʢ͓͓͹ɹ΍͢͜ʣ!OBZ
   ϓϩάϥϚྺ೥͘Β͍
   3VCZϓϩάϥϚ
   3BJMTΤϯδχΞ
   ג
   ສ༿୅දऔక໾
   

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3. 'BNJMZ
   

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4. 5PQJDT
   3VCZͷडୗ։ൃձࣾͱͯ͠೥ͷத
   Ͱม͖͑ͯͨ͜ͱͷ঺հ
   ৽ਓݚमͷ࢓૊ΈΛม͑ͨ࿩
   

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5. ג
   ສ༿
   ೥݄೔ʹ໊Ͱઃཱ
   3VCZPO3BJMTΛ࢖ͬͨडୗ։ൃ͕
   த৺
   ͓͔͛͞·Ͱɺ೥݄Ͱप೥
   Λܴ͑Δ͜ͱ͕Ͱ͖·ͨ͠ʂ
   ݱࡏ໊
   

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6. 8FBSFIJSJOH
   ʮͨͷ͘͠νʔϜ։ൃ͢Δ͜ͱʯʹϑΥʔ
   Χε͍ͨ͠ํ
   མͪண͍ͨ؀ڥͰϓϥΠϕʔτ΋ॏࢹ͠
   ͳ͕ΒεΩϧ޲্ΛਤΓ͍ͨํ
   ϦϞʔτۈ຿੍౓͋Γʢݚमத͸౦ژۈ
   ຿͕ඞཁʣ
   

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7. ೥ͷதͰ
   ສ༿͕
   ม͖͑ͯͨ͜ͱ
   IUUQTXXXqJDLSDPNQIPUPTTBOUIFP
   

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8. ࢓ࣄͷܗɾ಺༰
   νʔϜ։ൃ
   ૊৫ͷܗ
   ࠾༻γεςϜ
   ڭҭγεςϜ
   ධՁγεςϜʢࠓ೔͸৮Ε·ͤΜʣ
   

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9. ࢓ࣄͷܗ
   ʲաڈ೥ؒͷ࢓ࣄܗଶͷมԽʳ
   

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10. ࢓ࣄͷ಺༰
    3BJMTத৺
    7VFKTɺ3FBDUͳͲ͕૿͑ͨ
    ్தɺεϚϑΥΞϓϦΛͨ·ʹ
    1)1Λ౓͚ͩड͚ͨ
    ࠷ۙ(PͷҊ݅΋΍ͬͨΓ͍ͯ͠·͢
    

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11. νʔϜ։ൃ
    ೖࣾͨ͠ਓʑͷฃಆʹΑͬͯ
    ҭ͖ͯͯͨ෼໺
    ೔ʑݚڀ
    IUUQTXXXqJDLSDPNQIPUPTTDITCPZTTPDDFS
    

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12. ૊৫ͷܗ
    IUUQTXXXqJDLSDPNQIPUPTGSFZBTFSFOEJQJUZ
    

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13. ࠷ॳ͸ݹయతͳ
    ϐϥϛουܕͷ
    தখاۀΛࢤ޲
    

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14. ϐϥϛουܕ૊৫ͷ՝୊
    νʔϜ։ൃͱͷ૬ੑ͕ѱ͔ͬͨ
    νʔϜ։ൃ͸ϑϥοτࢤ޲
    ඞཁͳ৘ใΛެ։ͯ͠ݸਓ͕൑அͰ͖ΔΑ͏ʹ͢Δ
    جຊݪଇ͕ɺ৘ใΛؚΊͯ౷੍͢Δϐϥϛουܕͱ
    ͙ͦΘͳ͍
    डୗͰ͸ɺҊ݅νʔϜ͸͓٬༷ͷঢ়گͰॊೈʹมಈ
    Ҋ݅νʔϜओମͷ೔ʑͷੜ׆ͱɺݻఆతͳάϧʔϓ
    ͝ͱʹதؒ؅ཧ৬ʹ؅ཧͯ͠΋Β͏ܗ͕߹Θͳ͍
    

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15. ʮϗϥΫϥγʔʯ
    Λࢀߟʹͨ͠
    

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16. ϗϥΫϥγʔͱ͸
    ϐϥϛουܕͷ૊৫ͱ͸ҧ͏৽͍͠૊৫ͷܗͱͯ͠ఏ
    এ͞Ε͍ͯΔ
    ੜ෺ͷࡉ๔ͷΑ͏ʹɺػೳผʹࣗ཯ͯ͠ಇ͘࢓૊ΈΛ
    ໨ࢦ͢
    ೴͕ݸʑͷࡉ๔ͷ׆ಈʹ௚઀ࢦࣔΛग़͞ͳ͍Α͏ʹɺ
    ϗϥΫϥγʔͰ͸αʔΫϧ΍ϩʔϧͱ͍ͬͨػೳ͕ࣗ
    ෼ͷ͜ͱΛࣗ෼ͰܾΊΔ
    ϑϥοτߏ଄ͱݴΘΕΔ͜ͱ΋͋Δ͕ɺͲͪΒ͔ͱ͍
    ͏ͱࡉ๔ߏ଄ʢೖΕࢠߏ଄ʣ͕ਖ਼ͦ͠͏
    

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17. ݱࡏͷαʔΫϧϩʔϧ
    ૯຿ܥͷ࢓ࣄͷ੔ཧ
    ʹ࢖͏ͱͱ΋ʹɺ޿
    ใɺΞαΠϯܾఆɺ
    ࠾༻ॻྨબߟɺ৽ਓ
    ࣾһڭҭɺ৘ใγε
    ςϜɺXJLJ੔ཧͳͲ
    ͍Ζ͍Ζͳϩʔϧʹ
    ٕज़ܥͷࣾһ΋ब೚
    

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18. ྑ͘ͳ͖ͬͯͨ
    ୲౰ऀɾ୲౰ൣғ͕͸͖ͬΓͯ͠ɺ෺ࣄ
    ΛܾΊ΍͘͢ͳͬͨ
    ৘ใެ։ɾϨϏϡʔͱͷ૬ੑ͕ྑ͍
    νʔϜ։ൃͱͷ૬ੑ͕ྑ͍
    ݫ֨ͳӡ༻Ͱ͸ͳ͘ɺΏΔ͘औΓೖΕͯ
    ͍Δ
    

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19. ࠾༻
    γεςϜ
    IUUQTXXXqJDLSDPNQIPUPTCPPCPPCPPL
    

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20. ઃཱޙ·΋ͳ͔͘Β
    ໘઀ͰνΣοΫ͍ͨ͠
    ߲໨Λࣾ಺Ͱڞ༗
    

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21. ԿΛͲΕ͚ͩॏࢹͯ͠
    ࠾൱ΛܾΊΔ͔͕
    ೉͍͠
    IUUQTXXXqJDLSDPNQIPUPTVOSFMBYFEEBE
    

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22. ໘઀׭ʹΑΔ࠾఺͔Β
    ࠾൱Λࢉग़͢Δ
    ํ๏Λཱ֬
    ˠ͏·͍͘͘Α͏ʹͳͬͨʂ
    

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23. ڭҭγεςϜ
    IUUQTXXXqJDLSDPNQIPUPTNFSDIBV
    

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24. डୗ։ൃ͸
    ٕज़ऀΛ
    ҭͯ΍͍͢
    ܗଶ
    ৭ʑͳ
    ։ൃҊ݅
    νʔϜ
    จԽ
    

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25. ࣾձͷͨΊʹ΋
    ٕज़ऀΛҭ͍ͯͨ
    ؾ͕࣋ͪ͋Δ
    ʢগͣͭ͠Ͱ͕͢ʣ
    

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26. ສ༿ͷϑΥʔΧε
    ੒ޭ͢ΔϓϩδΣΫτΛ૿΍͍ͨ͠
    ʮͱΓ͋͑ͣ3VCZͱ3BJMT͕ॻ͚Δ
    ਓʯͷ಄਺Λ૿΍ͯ͠΋੒ޭ͢ΔϓϩδΣ
    Ϋτ͸૿͑ͳ͍
    ʮ্खʹ3VCZͱ3BJMT͕ॻ͚ͯɺνʔ
    ϜͰ։ൃ͕Ͱ͖ΔਓʯΛ૿΍͍ͨ͠
    

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27. ্खʹ3VCZ͕ॻ͚Δਓ
    3VCZ͸ࣗ༝ͳݴޠ
    ࣗ༝ʹ͸੹೚͕൐͏
    ॻ͖ํΛॊೈʹࣗ෼Ͱ൑அͰ͖Δͱྑ͍
    3VCZʹ߹͏ઃܭɺ໋໊ɺ࣮૷
    ݱ࣮ͱ3VCZίʔυͷؒʹંΓ߹͍Λ͚ͭଓ
    ͚Δ
    

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28. ্खʹ3BJMT͕ॻ͚Δਓ
    3BJMTͷϨʔϧʹ͏·͘৐͔ͬΓͳ͕
    Β໨తୡ੒·Ͱ͍͚࣋ͬͯΔ
    എܠɾۙྡͷ஌ࣝʢ001ɺ3VCZɺ
    8FCɺ3%#ɺ+4ͳͲʣ͕Θ͔Δ
    όʔδϣϯΞοϓͷߥ೾΍ϝϯόʔަ୅
    ʹ଱͑ಘΔҡ࣋͠΍͍͢ίʔυΛॻ͚Δ
    

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29. ஌ࣝʹՃ͑ͯ
    ൑அͷ͏·͞
    όϥϯεײ֮
    ͕ॏཁ
    

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30. ࣮஍ͰܦݧΛ
    ੵΉඞཁ͕͋Δ
    

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31. Ҏલͷ৽ਓݚम
    ϝϯλʔΛ೚໋͢Δ
    ձࣾͷ͜ͱΛઆ໌ͨ͠Βɺ͙͢ʹϓϩ
    δΣΫτʹ഑ଐɻϝϯλʔ΍ϓϩδΣΫ
    τϝϯόʔ͕దٓ0+5Ͱڭҭɻ
    ࢼ༻ظؒதʹ3VCZ4JMWFSΛͱͬͯ
    ΋Β͏
    

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32. ਓ͸ҭͬͯ͸͍͚ͨΕ
    Ͳ΋ɺޮ཰͕ΠϚΠν
    

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33. ৽ਓͷΞαΠϯ͞ΕΔ
    Ҋ݅ͷঢ়گ͸ຖճҧ͏ʂ
    ԿΛ
    ΍Δͷ͔
    ίʔυͷ
    ঢ়ଶ
    ϦϦʔε
    ࣌ظ
    νʔϜ
    ߏ੒
    

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34. ৽ਓͷεΩϧ΍ಛੑ΋
    ຖճҧ͏ʂ
    ஌ࣝɾܦݧ ੑ֨
    ίϛϡχέʔγϣϯ
    ಘҙ෼໺
    ڵຯͷํ޲
    

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35. ڭ͑Δଆ͕େม
    Ҋ݅ͷঢ়گ
    ৽ਓͷಛੑ
    Ҋ݅ͷৄࡉΛ
    ೺Ѳ͢Δͷ͸େมʂ
    ΄͔ͷϓϩδΣΫτʹ͍Δͱ
    ڭҭʹࢀՃͮ͠Β͍
    ৽ਓڭҭͷͨͼʹ
    θϩϕʔεͰڭ͑ํΛݕ౼
    

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36. ڭΘΔ಺༰͕ෆఆ
    ΞαΠϯ͞Εͨ
    ϓϩδΣΫτͷݸੑ΍
    ୲౰ͨ͠λεΫʹ
    ࠨӈ͞ΕΔ
    

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37. ड͚ೖΕνʔϜ͕େม
    ઓྗʹͳΒͳ͍
    ͩΖ͏͠
    ڭ͑Δͷେมͩ͠
    ϛεϚονͩͱ
    શһෆ޾ʹʜ
    IUUQTXXXqJDLSDPNQIPUPTUP⒎
    

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38. ձ͕ࣾେม
    ड͚ೖΕͷ੒൱΁ͷෆ҆ɺڭҭෛՙ΁ͷ
    ෆ͔҆Βɺ࠾༻ͦͷ΋ͷʹωΨςΟϒͳ
    งғؾ͕ੜ͡΍͍͢
    ϝϯλʔ΍ड͚ೖΕνʔϜͷෛՙ͕ߴ͍
    ͷͰख഑ʹͱͯ΋ؾΛ࢖͏͠೉͍͠
    

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39. ͦ͜Ͱ
    

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40. ৽ਓݚमͷ
    ࢓૊ΈΛվળ͢Δ
    ༗ࢤϓϩδΣΫτ͕
    ൃ଍ʂ
    

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41. ݚम੍౓ΛҰ৽
    IUUQTXXXqJDLSDPNQIPUPTKPFNBS
    

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42. ैདྷγεςϜΛ౿ऻͨ͠఺
    ϝϯλʔΛ೚໋͢Δ
    ࢼ༻ظؒதʹ3VCZ4JMWFSΛͱͬͯ
    ΋Β͏
    ϝϯςΟʔ͝ͱͷઐ༻ݚम4MBDLνϟ
    ϯωϧΛ࡞Δ
    

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43. มߋͨ͠఺
    

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44. ݚमظؒΛઃ͚ɺ
    ڭҭΧϦΩϡϥϜʹ
    Ԋͬͯ՝୊Λ
    ਐΊͯ΋Β͏
    

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45. ڭҭΧϦΩϡϥϜͱ͸
    λεΫ؅ཧΞϓϦέʔγϣϯΛ։ൃ͢Δ
    ՝୊
    ։ൃ؀ڥͷߏஙɺઃܭɺݸʑͷػೳͷ࣮
    ૷ͳͲશ෦ͰεςοϓͰߏ੒͞Εͯ
    ͍Δ
    

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46. ֤εςοϓͷֶशཁૉ
    ؀ڥߏங
    πʔϧͷ
    ࢖͍ํ
    ઃܭ͢Δश׳
    ։ൃखॱ 3BJMT
    σβΠϯ
    

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47. ࢓༷͸Θ͟ͱগ͠ᐆດʹ
    ݱ࣮ͷ։ൃͰ͸ɺ׬શͳ࢓༷͕ଘࡏ͢Δ
    ͜ͱ͸΄ͱΜͲͳ͍
    ࣗ෼Ͱ࢓༷Λݕ౼ܾͯ͠ΊΔϓϩηε͕
    ඞཁʹͳΔ࢓ֻ͚ΛೖΕ͍ͯΔ
    ϝϯλʔ޲͚ʹ͸ࢦಋཁྖΛ༻ҙ
    

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48. ݚमͷ࢓૊Έ
    ΧϦΩϡϥϜ
    ʢεςοϓʙʣ
    Ϛελʔσʔλ
    4UFQͷ13
    4UFQͷ13
    ɾ
    ɾ
    ɾ
    ϝϯλʔ͕૬ஊʹͷΔ
    શࣾͷ༗ࢤ΋ંʑʹϨϏϡʔ
    ՝୊ΞϓϦέʔγϣϯ
    ϨϙδτϦ (JU)VC
    
    ৽ਓ͝ͱʹ
    ˓˓͞Μݚमઐ༻
    4MBDLνϟϯωϧ
    

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49. ೖࣾ࣌ͷεΩϧʹΑΒͣ
    ಉ͡ΧϦΩϡϥϜͰ
    ݚमΛߦ͍ɺ
    ݚम͕ऴ͔ྃͯ͠Β
    ࣮Ҋ݅ʹΞαΠϯ͢Δ
    

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50. εΩϧͷ͋Δਓ͸
    ૣ࣮͘Ҋ݅ʹ
    ΞαΠϯ͞ΕΔ
    ॳ৺ऀ͸ͬ͘͡Γݚम
    ʹऔΓ૊ΊΔ
    

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51. ͱͯ΋ྑ͘ͳͬͨʂ
    IUUQTXXXqJDLSDPNQIPUPT!/
    

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52. ڭ͑Δଆ͕ϥΫ
    ݚम՝୊͕ܾ·͍ͬͯΔͷͰɺԿΛ΍ͬͯ΋Β͏
    ͔Λ౎౓ߟ͑ͳ͍ͰࡁΉ
    աڈͷݚमͷܦݧ΍ࢿ࢈Λ׆͔ͤΔ
    ඪ४ΧϦΩϡϥϜΛ೺Ѳ͢Δͷ͸Ҋ݅ͷৄࡉΛ
    ཧղ͢ΔΑΓͣͬͱ؆୯
    ୭Ͱ΋ڭ͑ΔଆʹͳΕΔͷͰɺෛՙ͕ϝϯλʔ
    ʹूத͠ͳ͍
    

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53. ڭΘΔଆ͕҆৺
    ໢ཏੑͷ͋ΔશࣾͰڞ௨ͷֶश಺༰
    ։ൃɺ13ɺϨϏϡʔͷαΠΫϧΛ௨͡
    ͯɺສ༿ͷ։ൃελΠϧΛɺ࣮ࡍʹϓϩ
    δΣΫτʹࢀՃ͢Δલʹֶ΂Δ
    ݚमऴྃޙɺϓϩδΣΫτʹεϜʔζʹ
    ࢀՃͰ͖Δ
    

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54. ड͚ೖΕνʔϜ͕҆৺
    (JUIVCͱ
    ࣗಈςετͱ
    3BJMTͷ$36%͸
    Θ͔Δ͸ͣ
    ݚम
    ϨϏϡʔ͚ͨ͠Ͳ
    ͳ͔ͳ͔ྑ͍ײ͡ͷ
    ରԠͯͨ͠Α
    3%#͸ಘҙͰ
    σβΠϯۤखͬΆ͍
    ͡Ό͋ɺ·ͣ͸
    ͋ͷλεΫ
    ୲౰ͯ͠΋Β͓͏͔
    IUUQTXXXqJDLSDPNQIPUPTDMJDLS
    

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55. ձ͕ࣾϥΫ
    ࠾༻ʹ͍ͭͯͷࣾ಺ͷงғؾ͕໌Δ͘ͳͬ
    ͨ
    ϝϯλʔ΍ݚममྃޙͷड͚ೖΕνʔϜ
    ͷબఆ͕͠΍͘͢ͳͬͨ
    ஫ɿ७ਮʹݚमͷΈͷظ͕ؒੜ͡ΔͷͰ
    ίετతʹ͸͔ͬ͠Γ͔͔Γ·͢
    

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56. ੍౓Λม͑ͯΈͯ
    ͸͡Ίͯ෼͔ͬͨ͜ͱ
    

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57. ݚमͷ13ϨϏϡʔͷ
    ޮՌ͕͍͢͝ʂ
    

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58. ΈΜͳͰϨϏϡʔͰ͖Δ
    ݚमܦݧऀ͸౰વ͘Θ͍͠
    ϝϯλʔܦݧऀ΋౰વ͘Θ͍͠
    ຖ౓ಉ͡՝୊͔ͩΒɺ΄͔ͷਓ΋಺༰Λਪ
    ଌ͠΍͘͢ɺޱΛͩ͠΍͍͢
    ϝϯλʔͷෛՙ͕ܰݮ͞ΕΔ
    ϝϯςΟʔͷ࡞ۀޮ཰6Q
    

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59. จԽͷ͢Γ͋Θ͕ͤͰ͖Δ
    ࣮Ҋ݅ʹࢀՃ͢Δલʹɺ։ൃελΠϧ΍
    จԽͷ͢Γ߹Θ͕ͤͰ͖Δ
    ϨϏϡʔΛ௨ͯ͡ɺਓฑ΍Ձ஋؍ɺͩ͜
    ΘΓͳͲ΋෼͔Δ
    ৽ਓɾड͚ೖΕνʔϜ૒ํͷ҆৺ʹͭͳ
    ͕Δ
    

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60. ୈࡾऀ΋ษڧͰ͖Δ
    ઌഐࣾһͷϨϏϡʔ಺༰ΛΈͯ஌ࣝΛ਎
    ʹ͚ͭͨΓɺϨϏϡʔͷண؟఺ΛֶͿ͜
    ͱ͕Ͱ͖Δ
    ͜Ε·ͰֶΜͩ͜ͱͷ෮शʹ΋ͳΔ
    ࠷৽ͷ3BJMTͷ࢓༷Λ֬ೝ͢Δػձ΋૿
    ͑Δ
    

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61. ϨϏϡʔࣗମ͕ࢿ࢈
    ϨϏϡʔ಺༰͸কདྷͷݚमͷࢿྉͱ͠
    ͯ׆༻Ͱ͖Δ
    IUUQTXXXqJDLSDPNQIPUPTQFUFSBMMFO
    

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62. ৽ਓڭҭ੍౓͸
    ࣗ཯తʹ
    վળϧʔϓΛճͯ͠
    ΧϦΩϡϥϜΛ
    όʔδϣϯΞοϓ
    

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63. ݚमऴ࣮ྃ࣌Ҋ݅΁
    +PJOͯ͠গ͔ͯ͠͠Β
    ΠϯλϏϡʔΛ࣮ࢪ
    

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64. ΧϦΩϡϥϜͷόʔδϣϯΞοϓ
    ՝୊ͷू߹ɾϝϯλʔखҾॻ
    ʢεςοϓʙʣ
    Ϛελʔσʔλ
    1VMM3FRVFTU
    ᶄΠϯλϏϡʔ݁
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65. ͜Ε·ͰͷόʔδϣϯΞοϓ
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66. ৽ਓ͸
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67. ͦͷ৽ਓ͕ҭͬͯ
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68. ྑ͍ϧʔϓʂ
    

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69. ͓஌Βͤ
    

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70. ສ༿ͷ
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71. ΧϦΩϡϥϜΛ
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72. 13׻ܴͰ͢
    

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73. ·ͱΊ
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