エンジニア組織のスケールに伴う社内勉強会のTry&Error #infrapre / 20170805

Transcript

1. ΤϯδχΞ૊৫ͷεέʔϧʹ൐͏
 ࣾ಺ษڧձͷTry&Error
 2017-08-05 @͘͞ΒΠϯλʔωοτ
 ΤϯδχΞͷͨΊͷϓϨθϯٕज़ݚڀձ
 presented by @yuzutas0 

2. ɹɹɹ@yuzutas0  ɹ͸ͳ͢ͻͱ • ։ൃνʔϜ ͷ্ཱͪ͛ɾཱͯ௚͠ • ೝఆεΫϥϜϚελʔ • ͘͞ΒVPS

   Λ͜Αͳ͘Ѫ͢Δ ݸਓ։ൃऀ

3. ࣾ಺ษڧձ Λ ӡӦ ͨ͠Α  ɹ͸ͳ͢͜ͱ

4. 5 → 10 → 200 → 500+  ɹΤϯδχΞ૊৫ͷεέʔϧ

5. 5 → 10 → 200 → 500+  ɹΤϯδχΞ૊৫ͷεέʔϧ

6.  ɹ಺੡Խ ໾һ௚ԼͷਪਐϓϩδΣΫτ 2ͭͷΦϑΟε 4ͭͷνʔϜ

7. IPAະ౿࠾୒ऀɹɹݩϕϯνϟʔCTO ༗໊ϥΠϒϥϦ࡞ऀɹɹޙͷGoogler ٕज़ॻࣥචऀɹɹࠃࡍϓϩίϯड৆ऀ  ɹΤʔεڃͷਪਐऀͨͪ

8.  ɹ৘ใڞ༗ʹ՝୊ εΫϥϜಋೖͰ
 3ϲ݄ ͷ࢛ۤീۤ ಉ͡՝୊Λ
 Ҏલʹ ղܾࡁΈ νʔϜA νʔϜB

9.  ɹि࣍ϛʔςΟϯάͷܗ֚Խ

10. ΋͍ͬͨͳ͍ → ৐ͬऔͬͨ
 

11.  ɹ1ਓ1ਓʹώΞϦϯά 
 ΦϑΟεͷҠಈ ͕໘౗ʂ 
 ɹ νʔϜ͝ͱʹ ঢ়گ͕ҧ͏ɻ
 ɹिʹ1ճ΋ू·Δඞཁ͋Δʁ

    
 ਫ༵͸ ֎෦ษڧձ ͱ
 όοςΟϯά…… 
 ࣄ຿࿈བྷ͸ Slack Ͱྑ͍ͷͰ͸ʁ

12. ม͑ͨ
 

13. 
 ΋ͱ΋ͱ໾һҎ֎ͷϝϯόʔ͚ͩͰ ࣄલʹSlackձٞΛ΍͍ͬͯͨɻ
 ໾һʹ͸࠷ऴ֬ೝͷΈΛߦ͍ͬͯͨ → શ෦SlackͰ͍͍͡ΌΜʂ
  ɹมߋᶃ - ࣄ຿࿈བྷ

    ͸ Slack ΦϯϦʔ IUUQTJUVOFTBQQMFDPNKQBQQTMBDLJE

14. 
 ֤νʔϜ͝ͱͷଧͪ߹Θͤ͸ि࣍Ͱ։࠵ɻ
 ͜Ε΋࣮͸ඇެࣜͰߦΘΕ͍ͯͨ → ެࣜͷձٞମͱͨ͠ɻ
  ɹมߋᶄ - ਐḿ֬ೝ ͸

    νʔϜ୯Ґ ͷଧͪ߹ΘͤͰ

15. 
 શһ͕ू·Δ͚ͩͷՁ஋͕͋Δʮ஌ݟͷల։ʯʹϑΥʔΧεɻ
 ·ͣ͸ϕʔγοΫͳ “LTձ” ͱ͍͏ελΠϧͰ࢝Ίͨɻ
  ɹมߋᶅ - έʔεελσΟ ΍

    ৘ใڞ༗ ʹಛԽ IUUQTXXXQFYFMTDPNQIPUPQJMFECPPLT

16. 
 ਅͬઌʹϐβɾण࢘ɾϏʔϧͷ༧ࢉΛ཈͑ͨɻ
 ʮࣗ෼͕ͨͪਪਐ͍ͯ͘͠ͷͩʯͱ͍͏ᛗ࣋ͷ΋ͱͰ஌ݟΛڞ༗ɻ
  ɹมߋᶆ - ·ͣ͸ งғؾ࡞Γ ͔Β IUUQTXXXQFYFMTDPNQIPUPCFFSCFWFSBHFCSFXCVCCMF

17. 
 ษڧձαΠτΛΫϩʔϦϯάˍσʔλ෼ੳ → ͔ͨ͠ʹਫ༵ͷ։࠵͕ଟ͔ͬͨɻ
 ʮ೔ຊҰͷΤϯδχΞ૊৫ʹ͢ΔΜͩΖʂ഑ྀ͢΂͠ʂʯͱΰω·ͬͨ͘ɻ
  ɹมߋᶇ - ༵೔ ͸

    िͷ಄ σʔλՄࢹԽͳ8&#αʔϏεΛ࡞͚ͬͨͲڙཆ͠·͢
    
    Լொ༘ࢠԫࠚه
 IUUQZV[VUBTIBUFOBCMPHDPNFOUSZ

18. 
 ि࣌͸ଟ͍͕ɺ݄࣍͸গͳ͍ɺͱ͍͏੠͕ଟ͔ͬͨɻ
 ֤νʔϜͷSprint୯Ґ͕2िؒͩͬͨͷͰಉִؒ͡Ͱઃఆɻ
  ɹมߋᶈ - ස౓ ͸ ִि IUUQTXXXTDSVNBMMJBODFPSHDPNNVOJUZBSUJDMFTNBZTQSJOUJTNPSFUIBOKVTUBUJNFCPY

19.  ఆྫձٞ → ϏΞLTձ ʹมߋͩʂ IUUQTXXXQFYFMTDPNQIPUPBMDPIPMJDCFWFSBHFCBSCFFSESJOL

20. άμάμʹͳͬͨ
  IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

21. ɹվળαΠΫϧΛճ͢ ՝୊πϦʔΛ࡞ͬͯ
 ʮԿ͕1൪ͷ໰୊͔ʯಛఆ͢Δ  ຖճऴྃޙʹSlackͰ
 1ਓ1ਓʹώΞϦϯά
 ʮKeepͱProblemΛ1ͭͣͭʂʯ Ϛωʔδϟʔͱೋਓࡾ٭Ͱ
 ʮ࣍͸͜͏ͨ͠ΒͲ͏͔ʯTryΛࢼߦࡨޡ ᶃ

22.  ʮࣾ಺ʹ ஌ݟΛల։ ͠·ͨ͠ʯͰ 
 ਓࣄධՁ͕ ϓϥεࠪఆ ʹͳΔ 
 ѱຐͷ࠲૊

    Λ࡞ͬͯ͠·ͬͨ ɹ࠷ॳʹጻչ

23.  ͱ͍͏ͷ͸ஔ͍͓͍ͯͯ

24.  ɹݟ͑ͨ՝୊ᶃ - What Here? ಛఆ෼໺ͳΒࣾ֎ษڧձͷ΄͏͕
 ৄ͍͠ਓ΍έʔεελσΟ͕ू·Δ γεςϜো֐ࣄྫɺಛڐऔಘҊ݅
 ձࣾಠࣗͷ੍໿ɿγεςϜઃܭɾνʔϜӡӦ ࣾ಺ͳΒͰ͸ͷ


    ֎෦Ͱ࿩ͤͳ͍ςʔϚ ‟

25.  ঃʑʹ ؾܰͳนଧͪͷ৔ ΁ͱ… ૬ஊLT + ϫʔϧυΧϑΣ ྫʣυΩϡϝϯτͬͯͲ͜·Ͱ࡞ͬͨΒ͍͍ͷʁ IUUQTXXXQFYFMTDPNQIPUPBMDPIPMJDCFWFSBHFCBSCFFSESJOL

26.  ɹݟ͑ͨ՝୊ᶄ - Why Here? ్த͔ΒJoinͨ͠ϝϯόʔ
 ʮ૊৫ͷํ޲ੑ͕෼͔Βͳ͍ʯ
 ʢʹԿͷͨΊͷ৘ใڞ༗ͳͷ͔ʁʣ ૊৫ͷϏδϣϯΛࣗ෼ͨͪͰߟ͑௚͢
 ϫʔΫγϣοϓ

27.  ɹݟ͑ͨ՝୊ᶅ - Why Me? ࣾ಺SIerʹͳΓ͕ͪͳঢ়گͰ
 ʮ࢓ࣄʹ೤ҙ͕ͳ͍ʯ
 ʢʹ৘ใڞ༗ͷඞཁੑ͸Θ͔Δ͕
 ݸਓతͳҙٛΛײ͡ͳ͍ʣ Θ͘Θ͘͢ΔͨΊͷछΛݟ͚ͭΔ


    ϫʔΫγϣοϓ

28.  ϫʔΫγϣοϓͷ࣌ؒʹ IUUQTXXXQFYFMTDPNQIPUPBMDPIPMJDCFWFSBHFCBSCFFSESJOL

29. ɹɹ%ϧʔϧ
 Λࢼ͠ʹಋೖ  ɹݟ͑ͨ՝୊ᶆ - ۀ຿Ͱͷ ࣗݾ࣮ݱ ͕೉ͦ͠͏ 20 ςʔϚΛܾΊͯ


    ࣗओ׆ಈ ※࿑ಇ͕࣌ؒ120%ʹ
 ͳ͚ͬͨͩͩͬͨͷͰ్தͰఀࢭ ଞͷ׆ಈΛ͖͔͚ͬʹͯ͠
 ৘ใڞ༗ʹ΋ϓϥεͷӨڹ͕
 ग़ΔͷͰ͸ͳ͍͔ʢԾઆʣ

30.  ΋͘΋͘ձ ͷ࣌ؒʹ IUUQTXXXQFYFMTDPNQIPUPBMDPIPMJDCFWFSBHFCBSCFFSESJOL

31. ɹ͋ͷख͜ͷखͰيಓมߋ  ᶃ

32. ͳΜ͔ͩΜͩͰ 
 ճΓ͸͡Ίͨʂ
  IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

33. Keep ౰ॳͷ໨తͰ͋ΔʮνʔϜԣஅͷձ࿩ʯ͸૿͑ͨ
 ˠ ʢࣦഊΛؚΊͯʣࢼߦࡨޡͷίϯςΩετΛɺ
 ૊৫ͷϝϯόʔ͕ڞ༗Ͱ͖ͨ͜ͱ͸ྑ͔ͬͨ
 Problem ݁ہ͸ؔ܎ߏஙɾνʔϜϏϧσΟϯάͷ࿩ͳͷͰɺ
 ΠϕϯτӡӦҎ֎ʹ΋ଧͪख͸͋ͬͨ ɹৼΓฦΓαϚϦʔ 

34. 5 → 10 → 200 → 500+  ɹΤϯδχΞ૊৫ͷεέʔϧ

35.  ɹٸ֦େ

36.  ɹແ஡ৼΓ 
 νʔϜؒͷน ͕͋Δ͔Β ษڧձΛ௨ͯ͠ ͍͍ײ͡ ʹͳΒͳ͍͔ͳʙ ϊ΢ϋ΢࣋ͬͯΔͰ͠ΐʁ

37.  ࠔ೉ᶃ
 ίϯςΩετ͕Ϧηοτ͞Εͨ

38. ߹ซલ͸֤ࣗͰLTձɾษڧձΛ΍͍ͬͯͨʢʹίϯςΩετ͕શવҧ͏ʣ  ɹܦҢɿෳ਺ͷ෦ॺ͕౷ഇ߹ ֤෦ॺͷϝϯόʔʹώΞϦϯά چA෦ چB෦ چC෦ iOS΍Androidͷ
 ࠷৽৘ใΛڞ༗͢ΔLT LTձ͸్தͰ΍Ίͨ


    ͱʹ͔͘ίʔσΟϯάͩʂ νʔϜϏϧσΟϯάͷ
 ϊ΢ϋ΢૬ஊͷ৔

39.  ࠔ೉ᶄ
 ୲౰෼໺΍ϑΣʔζ͕όϥόϥ

40. ߹ซલ͸֤ࣗͰLTձɾษڧձΛ΍͍ͬͯͨʢʹίϯςΩετ͕શવҧ͏ʣ  ɹܦҢɿෳ਺ͷ෦ॺ͕౷ഇ߹ ֤෦ॺͷϝϯόʔʹώΞϦϯά چA෦ چB෦ چC෦ ϞόΠϧΞϓϦத৺
 ΢ΥʔλʔϑΥʔϧಘҙ খن໛αʔϏεͷྔ࢈


    ٕज़εΩϧ޲্ʹؔ৺ WEBɾαʔό͕ڧ͍
 SoE/SoRϋΠϒϦου

41.  ࠔ೉ᶅ
 ຊ֨తͳΠϕϯτӡӦͷܕ͕ඞཁ

42. ࣾһɿ50
 றࡏύʔτφʔɿ150+  ɹ200

43.  ·ͣ͸՝୊ઃఆ͔Β

44.  ɹ࠷ॳͷݴ༿ 
 νʔϜؒͷน ͕͋Δ͔Β ษڧձΛ௨ͯ͠ ͍͍ײ͡ ʹͳΒͳ͍͔ͳʙ

45.  ఆظతʹަྲྀ͢Δػձ
 ͱͯ͠ͷLTձΛ࢝Ίͨ IUUQTXXXQFYFMTDPNQIPUPBMDPIPMJDCFWFSBHFCBSCFFSESJOL

46. ɹɹɹ• ൃ৴จԽͷৢ੒ (νʔϜ֎෦ʹ΋ҙࣝΛ޿͛ͯ΋Β͏) ɹɹ ɹɹ • ൃදΛ௨ͯ͡ͷֶशޮՌ ɹɹɹ• 5෼ͳΒൃදऀͷෛ୲΋গͳ͍͸ͣ 

    ɹ࠶ͼLTձ͔Β࢝Ίͨ

47.  ɹ৭ʑωλ͸ग़͖ͯͨ ϚΠάϨʔγϣϯো֐͕ग़ͨ ॻ͖௚ͯ͠඼࣭Α͘ͳͬͨΑ ಠࣗπʔϧΛ࡞ͬͨΑ ݚमࢀՃ͠·ͨ͠ Google I/O ग़ுใࠂͩ Զͷߟ͑ͨ࠷ڧͷઃܭΛฉ͚

    ୀ৬LT

48.  ɹ؅ཧ৬ɾϦʔμʔ͕ωλΛྲྀ͢ 
 ใࠂ ӡӦҕһ 
 ొஃґཔ 
 ڞ༗

49. ɹεςʔΫϗϧμʔ࿈ܞΛపఈ  1ਓ1ਓͱͷίϛϡχέʔγϣϯ͸ࠔ೉ → Ωʔύʔιϯͷ৴པஷ͕ۚେࣄ ొஃऀ ฉ͖ख ؅ཧ৬ ӡӦϝϯόʔ •

    υϠͰ͖Δొஃࣸਅ
 • ײ૝Ξϯέʔτ݁Ռ • ແྉͰञ͕ҿΊΔ
 • Ξϯέʔτʹॻ͘ͱ
 ΞΠσΞ͕࠾༻͞ΕΔ
 ʢԿΛ࠾༻͔ͨ͠ใࠂʣ • ࢀՃ཰΍ࢀՃऀ܏޲
 • Ξϯέʔτ݁Ռ
 • ՝୊Ұཡɾଧͪख
 • ༧ࢉͷফඅঢ়گͱ಺༁ εΩϧशಘࢧԉ
 • վળαΠΫϧ
 • ۀ຿ඪ४Խ
 • Ϣʔβʔௐࠪ

50. ՝୊όοΫϩάΛ࡞ͬͯ
 ༏ઌॱҐΛ؅ཧ ɹ࠶ͼ Try & Error Λ܁Γฦ͢  ऴྃޙʹΞϯέʔτ
 -

    ొஃऀ΁ͷײ૝
 - ӡӦऀ΁ͷKPT ӡӦҕһձͰ
 TryΛࢼߦࡨޡ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM ֤෦ॺʹ1໊ͣͭ

51. ɹӡӦڧԽᶃ - ٞࣄ࿥ɾଧͪ߹Θͤ 

52. ɹӡӦڧԽᶄ - ߳൫දɾਐߦ؅ཧ 

53. ɹӡӦڧԽᶅ - ΞδΣϯμɾ࣮ࢪ෩ܠ 

54. ՝୊όοΫϩάΛ࡞ͬͯ
 ༏ઌॱҐΛ؅ཧ ɹ࠶ͼ Try & Error Λ܁Γฦ͢  ऴྃޙʹΞϯέʔτ
 -

    ొஃऀ΁ͷײ૝
 - ӡӦऀ΁ͷKPT ӡӦҕһձͰ
 TryΛࢼߦࡨޡ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM ֤෦ॺʹ1໊ͣͭ

55. Α͋͘ΔϛεҰཡΛ࡞ΔˍొஃऀʹࣄલϑΥϩʔ  ɹ՝୊ᶃ - લͷొஃऀͱಉ͡ϛε͕ଟൃ

56. ʁ  ɹ՝୊ᶄ - What do you do? ަྲྀҎલʹଞνʔϜͷ
 എܠɾঢ়گΛ஌Βͳ͍

    ֤νʔϜ͝ͱʹ୲౰੡඼ͷ
 ϏδωεɾγεςϜɾϓϩηεΛ
 ঺հ͋͠͏ηογϣϯ

57.  ɹ՝୊ᶅ - What should I talk? ୭͔͕खΛڍ͛Δ·Ͱ
 ͳ͔ͳ͔LT͠·͢ͱݴ͍ग़ͤͳ͍
 ʮ͜Μͳ಺༰Ͱ͍͍ͷ͔ͳʯ໰୊

    ৽ೖࣾһ͕ࣗݾ঺հΛ݉Ͷͯ
 ೖࣾޙͷֶͼΛڞ༗͢Δηογϣϯ
 ʢ಺༰ͷϨϕϧ͸໰Θͣʣ …… …… ……

58.  ɹ՝୊ᶆ - Theme motivates? ಛఆͷςʔϚ͕͋Ε͹
 ࢀՃΛݕ౼͢Δͱ͍͏ҙݟ ·ͣ͸ʢ࠷େެ໿਺ͱͯ͠ʣ
 ʮো֐ɾ඼࣭ʯΛςʔϚʹηογϣϯ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

59.  ɹ՝୊ᶇ - Why not “Non Tech” ? ͱ͋ΔνʔϜͰ
 ʮٕज़Ҏ֎ͷLTΛͨ͠Βྑ͔ͬͨΑʯ


    ͱ͍͏ҙݟ ೥຤ͷʮ๨೥ձεϖγϟϧʯͱͯ͠
 ςʔϚෆ໰Ͱ΍ͬͯΈΔ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM ×

60. ɹखΛม͑ɺ඼Λม͑  IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

61. ࢀՃऀͷ੠ • ࢓ࣄͷ੒ՌΛৼΓฦΔˍ࿩͢ػձʹͳͬͨ
 • ఆظతʹνʔϜ֎ͷ׆ಈΛ஌ΔˍަྲྀͰ͖Δ৔͸ྑ͔ͬͨ
 • ୲౰ۀ຿͚ͩͰ͸ಘΒΕͳ͍ؾ෇͖΍ֶͼ͕͋ͬͨ ɹৼΓฦΓαϚϦʔɿKeep  IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

62. ӡӦऀͷ੠ ʢ͓ख఻͍ͷʣ৽ೖࣾһ΍एखϝϯόʔ͕
 ੵۃతʹఏҊͯ͘͠ΕΔΑ͏ͳ৔ʹͳͬͨ ɹৼΓฦΓαϚϦʔɿKeep  IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

63. • ໨తҙࣝɾίϯςϯπɾӡӦ͕γϟʔϓͰͳ͍··ਐΊͯ͠·ͬͨ
 • ݄1ͷ҆ఆ։࠵Λॏࢹͯ͠খճΓ͕ར͔ͳ͔ͬͨ
 ɹʢΞϯέʔτͰఏҊ͞ΕͨϫʔΫγϣοϓ΍ϋοΧιϯ͕Ͱ͖ͳ͔ͬͨʣ
 • ෳ਺෦ॺͰ༧ࢉ΍ϑΝΠϧݖݶʹζϨ͕͋Γɺࣾ಺ͷࣄ຿खଓ͖ʹ຋࿔͞Εͨ
 • ໌Β͔ͳࢀՃऀͷภΓ͕͋ͬͨ
 •

    ӡӦऀͷؤுΓͰͲ͏ʹ͔ճ͍ͯͨ͠ͷ͕࣮৘ͰɺϞνϕʔγϣϯ΍
 ɹଞۀ຿ͷӨڹΛड͚΍͍͢ʢӡӦҕһͷർฐˠటপʹย଍ΛಥͬࠐΜͰ͍ͨʣ ɹৼΓฦΓαϚϦʔɿProblem 

64. ԣஅLTձ͸࠷େެ໿਺ͷಈ͖͔͠Ͱ͖͍ͯͳ͔ͬͨ ֤ϝϯόʔ͕෼໺ผͷษڧձΛখ͘͞։͖࢝Ίͨ ɹϘτϜΞοϓͷಈ͖ 

65.  ͱ͍͏ঢ়گͰ

66. 5 → 10 → 200 → 500+  ɹΤϯδχΞ૊৫ͷεέʔϧ

67.  ɹٸ֦େ

68.  ɹ࠶ͼͷແ஡ৼΓ 
 νʔϜؒͷน ͕͋Δ͔Β ษڧձΛ௨ͯ͠ ͍͍ײ͡ ʹͳΒͳ͍͔ͳʙ ϊ΢ϋ΢࣋ͬͯΔͰ͠ΐʁ

69.  ࠔ೉ᶃ
 ίϯςΩετ͕Ϧηοτ͞Εͨ

70.  ࠔ೉ᶄ
 ୲౰෼໺΍ϑΣʔζ͕όϥόϥ

71.  
 ͱ͍͏͔ ՝୊ઃఆ ͕ ࡶ Ͱ͸ʁ ɹ͕͢͞ʹؾ෇͘

72. ͜ͷن໛ͩͱ૊৫ߏ଄ͷ҆ఆԽ͕࠷༏ઌ → ϛυϧ૚ͷ৘ใڞ༗͕ཁ  ɹେن໛૊৫ʹ͓͚Δ৘ใڞ༗

73. ͦͷ্Ͱ 

74. ෼໺ผͷษڧձΛ֤͕ࣗখ͘͞։͘ ɹϘτϜΞοϓͷษڧձ 

75. ࣾ಺֎ͷஶ໊ਓΛট͍ͯͷߨԋ ɹτοϓμ΢ϯͷษڧձ  IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

76. ྫʣΞʔΩςΫνϟݕ౼ձ ɹτϐοΫ͝ͱͷ෼Պձ  IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

77. ͦΜͳײ͡ʹͳΓ·ͨ͠ 

78.  కΊ

79. • ஌ࣝΛิ͏໾ׂ
 • ૊৫Λ५͢໾ׂ ɹษڧձͱ͸Կͩͬͨͷ͔ 

80. 
 ૊৫ ʹ͓͚Δ ৘ใྲྀ௨ ͱ ؔ܎ߏங  ɹର৅ͱ͢Δ՝୊

81. 
 ษڧձΛӡӦ͢Δ͜ͱͰൃ֮ͨ͠ Problem / Try
 ʢྫɿ֤෦ॺͷ׆ಈΛ஌Βͳ͍ˠ͡Ό͋ڞ༗ձͩʂʣ ϛυϧ૚ʹΑΔ ૊৫ӡӦͷࢀߟ৘ใ ͱͯ͠׆༻͞Εͨɻ
 ൈ͚࿙ΕΛݕ஌

    ͢Δηϯαʔͱͯ͠ͷ໾ׂΛՌͨͨ͠ɻ
 ʢ˞ൈ͚࿙Εͷͳ͍ӡӦ͸͋Γ͑ͳ͍ → ݕ஌͢Δ࢓૊Έ͕ॏཁʣ
 ɹ૊৫ӡӦ΁ͷϚʔδ 

82. 
 
 ίϯςΩετͷϦηοτͱ
 ࠶ൃݟ͕ཐટͷΑ͏ʹ܁Γฦ͞ΕΔ
 ※୯ͳΔ܁Γฦ͠Ͱ͸ͳ͘1प͢Δͨͼʹ্ঢ͍ͯ͠Δ
  ɹٸεέʔϧ͢Δ૊৫ͷਏΈ

83. 
 ͳ͍ͱɺߗ௚Խɻ
 ͖ͪΜͱ΍Δͱɺߴίετɻ
 ద༻ʹ΍Δͱɺάμάμɻ
  ɹͲͷίετΛऔΔ͔

84. 
 ແཧ͠ͳ͍ఔ౓ʹ
 ָ͘͠΍͍͖ͬͯ·͠ΐ͏
 
  ɹ݁࿦

85. ΤϯδχΞ૊৫ͷεέʔϧʹ൐͏
 ࣾ಺ษڧձͷTry&Error
 

86.  ͝ਗ਼ௌ ͋Γ͕ͱ͏͍͟͝·ͨ͠