RSpec概論

RSpecを触る前に僕が知っておきたかったこと

Transcript

1. 34QFD֓࿦
   कΓ΍͍͢ςετίʔυͷϧʔϧ5*14
   

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2. ΞδΣϯμ
   ࣗݾ঺հ
   34QFD֓ཁ
   جຊػೳ
   ޙʑࠔΓ͕ͪͳΞϯνϚφʔ
   ςετ࣌ؒΛ୹͘͢Δ
   ·ͱΊʙ͜ͷ͚̎ͭͩकΕ͹͖ͬͱʙ
   

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3. ͸͡Ίʹ
   ʮςετॻ͍ͨ͜ͱͳ͍ʂʯ
   ʮςετௐ΂͚ͨͲɺ΍ͬͨ͜ͱͳ͍ʂʯ
   ʮςετॻ͍ͯΈ͚ͨͲͬ͘͠Γ͖ͯͳ͍ʂʯ
   ੄໺Λ޿͛ͨͷͰɺίʔυΑΓ΋࿩͕ଟΊͰ͢ɻ
   

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4. ࣗݾ঺հ
   ໊લɿന໦޺๎
   ձࣾɿגࣜձࣾϕʔγοΫʢ৽ଔ̏೥໨ʣ
   ͞ΘͬͯΔ͜ͱɿ3BJMT "84
   RJJUBͱ͔UXJUUFSͱ͔ͷ*%ɿOBNJUPQ
   झຯɿϑΥʔτφΠτ
   

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5. ࣗݾ঺հ
   ࣗ෼ͷ஌ࣝͷ੔ཧͱ
   34QFDʹ͍ͭͯ஌Βͳ͍ൃݟ͕͋Ε͹ͱࢥ͍
   ࠓճͷษڧձͷ಺༰ʹ͠·ͨ͠ɻ
   

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6. ͜Ε͔Βઆ໌͢Δ͜ͱ͸ɺ
   ͜Μͳײ͡ͷ؀ڥͷਓ͕΍͖ͬͯͨ3TQFDͳͷͰ
   ΋͔ͨ͠͠Βઌೖ؍͕͋Δ͔΋͠Εͳ͍ͷͰɺ
   ͲΜͳαʔϏεʹؔΘ͖͔ͬͯͨͷઆ໌
   

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7. ձࣾͰ΍͖ͬͯͨ͜ͱ
   &$αΠτͷ঎඼؅ཧαΠτʢ಺෦ʣ࡞Γม͑
   ϝσΟΞαΠτอकӡ༻
   ࢿྉ੥ٻαΠτ৽ن
   ӳձ࿩ڭࣨݕࡧαΠτ৽ن
   ࢿྉ੥ٻαΠτอकӡ༻
   

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8. ձࣾͰ΍͖ͬͯͨ͜ͱ
   ͲΕ΋
   

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9. ձࣾͰ΍͖ͬͯͨ͜ͱ
   ̍ඵͰ΋མͪͨΒαʔϏε͕੒Γཱͨͳ͍ɾɾɾ
   

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10. ձࣾͰ΍͖ͬͯͨ͜ͱ
    ͱ͔Ͱ͸ͳ͍ɻ
    

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11. ձࣾͰ΍͖ͬͯͨ͜ͱ
    ͲΜͲΜػೳͷ௥Ճɾमਖ਼ͱ͔͠΍͍͢؀ڥ
    

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12. ձࣾͰ΍͖ͬͯͨ͜ͱ
    ͦΜͳ؀ڥͰςετίʔυΛॻ͍͖ͯ·ͨ͠
    

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13. ஫ҙ
    ԿΛςετ͢Ε͹͍͍ͷ͔
    ͲΕ͘Β͍ςετ͢Ε͹͍͍ͷ͔ͱ͔ʹ
    ʮઈର͜ΕʯΈ͍ͨͳ΋ͷ͕ͳ͍
    

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14. ஫ҙ
    34QFDͷϧʔϧʹ͍ͭͯߟ͑ͨ͜ͱΛ
    આ໌͍͖ͯ͠·͕͢
    Ұ൪ྑ͍ϧʔϧ͸
    ن໛ͱ͔αʔϏεՔಇ཰ͱ͔Λ౿·͑ͯ
    νʔϜϝϯόʔͱ૬ஊܾͯ͠ΊΔͷ͕ϕετ
    

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15. 34QFD֓ཁ
    " lςετzͷछྨ
    # ̎େςετϑϨʔϜϫʔΫ
    

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16. "lςετzͷछྨ
    2"ςετ
    σΟϨΫλʔςετ
    ։ൃςετ
    

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17. ͦΕͧΕ໾ׂ͕ҧ͏
    

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18. ʮͲΕ͙Β͍ςετ͢Ε͹͍͍ͷʁʯ
    

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19. ͜ΕΛߟ͑ΔͨΊʹ͓͓͑ͯ͘͞
    

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20. 2"ςετ
    2VBMJUZ"TTVSBODFʢ඼࣭อূʣ
    αʔϏε඼࣭Λอূʢόάɺૢ࡞ײʣ
    ˎ࡞ۀޮ཰ԽͷͨΊɺ͜͜Ͱ34QFD࢖ͬͯΔձࣾ΋
    ͋ΔΒ͍͠
    

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21. σΟϨΫλʔςετ
    JTTVF௨Γʹ࣮૷͞Ε͍ͯΔ͔νΣοΫ
    ˎόάΛ໢ཏతʹνΣοΫ͢ΔΑ͏ͳ໾ׂͰ͸ͳ͍
    

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22. ։ൃςετ
    ։ൃऀ͕։ൃ͠΍͍ͨ͢Ίʹߦ͏ςετ
    ˎࣗ෼͸͜ͷύʔτͰΑ͘34QFD࢖͖ͬͯ·ͨ͠
    

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23. ̏ͭͷςετ
    ͜ΕΒ̏ͭͷςετͷॅΈ෼͚͕େࣄ
    ԿΛ34QFDͰ୲อ͢Δͷ͔
    

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24. ։ൃςετʹ͓͚Δ34QFD
    ୲อ͢Δ΋ͷ
    શϖʔδɺਖ਼ৗʹΞΫηεͰ͖Δ͔
    શϝιουɺશΞΫγϣϯʹςετΛߦ͏
    ى͜Γ͑ͳ͍ೖྗΛ༧૝ͯ͠ςετ
    

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25. ։ൃςετʹ͓͚Δ34QFD
    ୲อ͢Δ΋ͷ
    શϖʔδɺਖ਼ৗʹΞΫηεͰ͖Δ͔
    શϝιουɺશΞΫγϣϯʹςετΛߦ͏
    ى͜Γ͑ͳ͍ೖྗΛ༧૝ͯ͠ςετ
    ͠·ͤΜ
    

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26. ։ൃςετʹ͓͚Δ34QFD
    ओʹҎԼೋͭΛ୲อ͢Δ
    ϛε͕ى͜Γ͕ͪͳϩδοΫ
    ϏδωεతʹಛʹॏཁͳϩδοΫ
    

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27. ։ൃςετʹ͓͚Δ34QFD
    ϛε͕ى͜Γ͕ͪͳϩδοΫ
    ෳࡶͳϩδοΫ
    αʔϏεͷ޿͍ൣғͰ࢖ΘΕ͍ͯΔϩδοΫ
    

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28. ։ൃςετʹ͓͚Δ34QFD
    ϏδωεతʹಛʹॏཁͳϩδοΫ
    ੥ٻؔ܎
    $7ϑϩʔ
    

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29. ։ൃςετʹ͓͚Δ34QFD
    5*14୲อ͢Δ΋ͷΛߜΔ
    

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30. #̎େςετϑϨʔϜϫʔΫ
    NJOJUFTU
    34QFD
    

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31. γϯϓϧ
    ϐϡΞ3VCZ
    ଟػೳ
    υΩϡϝϯτ෩
    NJOJUFTU 3TQFD
    

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32. NJOJUFTU 3TQFD
    

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33. NJOJUFTUͱ34QFD
    NJOJUFTU͸γϯϓϧ͕͞ਓؾ
    34QFD͸ߴػೳͳͷͰਓؾ
    ϑϨʔϜϫʔΫʹΑΔ଎౓ͷҧ͍͸ߟ͑ͳ͍͍ͯ͘
    3TQFDͷ΄͏͕೔ຊޠͷهࣄ͕ଟ͍ͷͰ͓͢͢Ί
    

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34. جຊػೳ
    ̏ͭͷTQFDͷ໾ׂʢNPEFM DPOUSPMMFS SFRVFTUʣ
    JUͱFYQFDU
    EFTDSJCFͱDPOUFYU
    GBDUPSZ
    USBJU
    TUVC
    

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35. ͪͳΈʹ
    υΩϡϝϯτ͸͜͜
    IUUQSTQFDJOGPEPDVNFOUBUJPOSTQFDSBJMT
    

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36. "̏ͭͷTQFDͷ໾ׂ
    NPEFMTQFD
    Ϟσϧͷϝιου୯ҐͰͷςετ
    ϞσϧͷόϦσʔγϣϯςετ
    DPOUSPMMFSTQFD ඇਪ঑
    
    BDUJPOͷΠϯελϯεม਺ͷ஋Λςετ
    ࢦఆͷVSMɺҙਤ͢ΔSFTQPOTFʹͳ͍ͬͯΔ͔ςετ
    SFRVFTUTQFD
    ࢦఆͷVSMɺҙਤ͢ΔSFTQPOTFʹͳ͍ͬͯΔ͔ςετ
    

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37. DPOUSPMMFSTQFDඇਪ঑
    IUUQSTQFDJOGPCMPHSTQFDIBTCFFOSFMFBTFE
    SBJMTTVQQPSUGPSSBJMT
    SFRVFTUTQFDͰ͸ɺίϯτϩʔϥͷͭͷΞΫγϣϯʹूதͰ͖·
    ͕͢ɺίϯτϩʔϥςετͱ͸ҟͳΓɺϧʔλɺϛυϧ΢ΣΞελο
    ΫɺϥοΫͷϦΫΤετͱϨεϙϯεͷ྆ํ͕ඞཁͰ͢ɻ͜Ε͸ɺ
    ͋ͳ͕ͨॻ͍͍ͯΔςετʹݱ࣮ײΛ༩͑ɺDPOUSPMMFSTQFDʹڞ
    ௨͢Δଟ͘ͷ໰୊Λճආ͢Δͷʹ໾ཱͪ·͢ɻ
    ެࣜ௚༁
    

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38. NPEFMTQFDͱSFRVFTUTQFD
    ࢖͍෼͚
    NPEFMTQFD͸σʔλΛςετ͢Δ
    SFRVFTUTQFD͸ݟͨ໨Λςετ͢Δ
    

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39. FYZBNBEBͰදࣔͯ͠Δ͔ςετ
    

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40. NPEFMTQFD͸σʔλΛ
    ਖ਼͍͠஋ͰΦϒδΣΫτੜ੒Ͱ͖Δ͔
    IFMMPϝιου͕ػೳ͍ͯ͠Δ͔ʁ
    ͳͲ
    

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41. SFRVFTUTQFD͸ݟͨ໨Λ
    ZBNBEBʹΞΫηεͰ͖Δ͔
    ϖʔδཁૉʹzZBNBEBͰ͢ɻzͱ͍͏

    ςΩετ͕ଘࡏ͢Δ͔
    ͳͲ
    

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42. TQFDΛॻ͘લͷԼ४උ
    ςετ͠΍͍͢.7$ʹ͢Δ
    ϝιουͷҾ਺΍ฦΓ஋ͷܕΛἧ͑Δ
    WJFXͰม਺ͷఆٛͨ͠Γ࠶୅ೖͨ͠Γ͠ͳ͍
    ΊͬͪΌWJFXʹ෼ذ͕ॻ͍ͯ͋ΔͷΛ΍ΊΔ
    

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43. "̏ͭͷTQFDͷ໾ׂ
    5*14DPOUSPMMFSTQFD࢖Θͳ͍
    5*14NPEFMTQFDͰσʔλͷऔಘɾ੔ܗΛςετ
    5*14SFRVFTUTQFDͰσʔλͷදࣔΛςετ
    

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44. #JUͱFYQFDU
    

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49. $DPOUFYUͱEFTDSJCF
    

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50. View Slide

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53. View Slide

54. EFTDSJCF DPOUFYU JU
    EFTDSJCFɿϝιου୯ҐͳͲͷ·ͱ·ΓͰғΉ
    DPOUFYUɿ৔߹෼͚ͰғΉ
    JUɿ࠷খ୯ҐͰғΉ
    

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55. EFTDSJCF DPOUFYU JU
    5*14
    EFTDSJCF DPOUFYU JUΛ࢖ͬͯυΩϡϝϯτ෩ʹॻ͘
    

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56. ͪͳΈʹ
    

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57. ͲͬͪͰ΋PL
    ˎ͜ͷ৔߹͸DPOUFYUͷ΄͏͕͍͍͚ͲΤϥʔͱ͔ʹ͸ͳΒͳ͍
    

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58. ߦ਺ࢦఆ࣮ͯ͠ߦ
    ASTQFDϑΝΠϧ໊ߦ൪߸AͰ࣮ߦ
    

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59. %CFGPSFͱMFU
    

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60. View Slide

61. JU಺Λ؆ܿʹ͢ΔͨΊʹ
    

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62. View Slide

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64. MFUͱMFU
    

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65. MFUͱMFU
    w MFU஗ԆධՁɻʢJU಺Ͱݺ͹ͳ͍ͱ࣮ߦ͞Εͳ͍ʣ
    w MFU֤JU͝ͱͷ࣮ߦલʹධՁɻCFGPSFͱҰॹ
    

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68. MFUͱCFGPSFͷ࢖͍෼͚
    JU಺Ͱࢀর͢Δ͔Ͳ͏͔
    MFUͷ৔߹͸ɺJU಺Ͱࢀর͢Δ
    CFGPSFͷ৔߹͸ɺJU಺Ͱࢀর͠ͳ͍
    

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69. %CFGPSFͱMFU
    5*14CFGPSF MFUͰJU಺Λγϯϓϧʹ
    5*14CFGPSFͰࢀর͠ͳ͍Ϩίʔυͱ͔Λࣄલ४උ
    5*14MFUͰJU಺Ͱࢀর͢Δ஋Λࣄલ४උ
    

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70. %GBDUPSZ
    

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71. %GBDUPSZ
    6TFS
    OBNFඞਢ
    CJSUIQMBDFඞਢ
    CJSUIEBZඞਢ
    UFMඞਢ
    KPCඞਢ
    

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73. σϑΥϧτͷ஋Λ༻ҙ͢Δ
    

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75. JU಺Ͱҙࣝ͢Δ͜ͱΛߜΕΔ
    6TFSΦϒδΣΫτ࡞੒͢Δ
    6TFSIFMMP͕ਖ਼͘͠ಈ࡞͍ͯ͠Δ͔
    

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76. %GBDUPSZ
    5*14ΦϒδΣΫτΛ࡞ΔͨΊͷهड़ΛݮΒ͢
    

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77. %TUVC
    ϞσϧͷϝιουΛ্ॻ͖͠ɺฦΓ஋ΛݻఆͰ͖Δ
    

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78. %TUVC
    

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79. ྫ
    Ϋϥεɿ1SFG
    ϝιουɿEJTUBODF QSFG QSFG
    
    "1*ɿ(PPHMF.BQ"1*
    

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81. ͜ͷςετͷԿ͕໰୊ʁ
    

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82. ̎ͭͷϝιουΛςετͯ͠Δ
    ͜ͷςετͰ
    ʮݝͷڑ཭Λࢉग़͢Δʯ
    ʮ(PPHMF.BQ"1*͕ݝͷҐஔ৘ใΛࢉग़͢Δʯ
    

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83. ͭ·Γɾɾɾ
    ʮ(PPHMF.BQ"1*ʯ͕͚͜Δͱ
    1SFGEJTUBODFͷܭࢉ͕ਖ਼ͯ͘͠΋͚͜Δ
    

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84. ςετର৅ͷϝιου͚ͩͰ
    ⭕ʮݝͷڑ཭Λࢉग़͢Δʯ
    ❌ʮ(PPHMF.BQ"1*͕ݝͷҐஔ৘ใΛࢉग़͢Δʯ
    

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85. ͜͏ͩͱ͢Δͱɾɾɾ
    (PPHMF.BQ"1*TFBSDI
    Ҿ਺ͷݝͷҐஔ৘ใΛऔಘ͢Δ
    

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86. BMMPX PCK
    UPSFDFJWF NFUIPE
    XJUI BSH
    BOE@SFUVSO WBMVF
    
    BMMPX PCK
    UPSFDFJWF NFUIPE
    BOE@SFUVSO WBMVF
    
    

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87. ର৅ͷΈͷςετʹͳΔ
    1SFGEJTUBODFͷΈͷςετ
    ΋͠(PPHMF.BQ"1*ଆͰ͚ͯͯ͜΋ςετ͕௨Δ
    ͳ͚͔ͥͨ͜ͷௐࠪͷ͕࣌ؒল͚Δ
    

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88. %TUVC
    5*14ςετର৅ʹͳΔϝιουΛߜΔ
    

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89. TUVCͱNPDL
    εΩοϓ
    ࢀߟɿ
    IUUQKBOHBKBODPNCMPHFYQFDU
    BOEBMMPXJOSTQFD
    

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90. ΞϯνϚφʔ
    " EFTDSJCFɺDPOUFYUɺJUͷ࢖͍ํ
    # MFU CFGPSFͷҐஔʢEFTDSJCFͷ֎ʹग़͞ͳ͍ʣ
    $ ్தͰVQEBUF
    % ฒͼॱܥϝιουͰ΍Γ͕ͪͳςετ
    

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91. "EFTDSJCFɾDPOUFYUɾJU
    Ͳ͏͍͏෩ʹͰ΋ॻ͚Δ
    

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93. ͜ΕͰΤϥʔ͕ى͖Δͱ
    AFYQFDU
    UPFRAʹͯ͠ΈΔ
    

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95. w AAҎ͕߱FYQFDUͰ͖͍ͯͳ͍
    

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96. "EFTDSJCFɾDPOUFYUɾJU
    JU಺ͰԿݸ΋FYQFDU͠ͳ͍
    ్தͰ͚͜Δͱςετ͕தஅͯ͠͠·͏
    FYQFDU͕ଟ͍ͱԿ͕ਖ਼ৗ͔෼͔ΓͮΒ͍
    

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97. ࠷খ୯ҐΛJUͰғΉ
    

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99. ΋ͬͱ෼͔Γ΍͘͢
    

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100. l·ͱ·ΓzΛEFTDSJCFͰ
     l৔߹෼͚zΛDPOUFYUͰ
     

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102. Կ͕͍͍ͷʁ
     Τϥʔى͖ͨ࣌ͷείʔϓΛখ͘͞Ͱ͖Δ
     ྫ͑͹ɺAAʹͳΓ͚ͨ͜ͱ͖
     ෦෼తʹࣺͯ΍͍͢
     ྫ͑͹ɺՃ๏ϝιουΛશ࡟আͨ͠ͱ͖
     

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103. "EFTDSJCFɾDPOUFYUɾJU
     5*14EFTDSJCFͰz·ͱ·ΓzΛғΉ
     5*14DPOUFYUͰz৔߹෼͚zΛғΉ
     5*14JUͰz࠷খ୯ҐzΛғΉ
     

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104. #MFU CFGPSFͷҐஔ
     

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106. l࢛ଇԋࢉz௚ԼʹMFU
     Ճݮ৐আͦΕͧΕͷςετ͕େ͖͘ͳΔͱ
     

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107. View Slide

108. ͭΒ͍
     

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109. EFTDSJCFͷ֎ʹMFUΛग़͢ͱ
     ୯७ʹίʔυ͕ಡΈͮΒ͍
     είʔϓ͕޿͕ͬͯ͠·͏
     ͪͳΈʹɺա౓ͳڞ௨ԽΛͨ࣌͠ʹى͖΍͍͢ɻ
     

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110. #MFU CFGPSFͷҐஔ
     5*14EFTDSJCFͷ֎ʹMFUΛग़͞ͳ͍
     

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111. $్தͰVQEBUF
     

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112. View Slide

113. ྫ͑͹ɺԿΒ͔ͷมߋ͕͋Γ
     MFU OVNCFS
     \^ʹ͢Δ͜ͱʹͳΓ·ͨ͠
     

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115. lQPJOUz͚͚ͩͯ͘͜Εͳ͍
     ଞͱҰ༷ʹมߋ͞Εͳ͍ͷͰݟམͱͯ͠͠·͏
     

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116. $్தͰVQEBUF
     5*14JU಺ͱ͔ͰVQEBUF͠ͳ͍
     

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117. %ฒͼॱܥϝιουͷςετ
     ͜Εʹ͍ͭͯ͸RJJUB
     IUUQTRJJUBDPNOBNJUPQJUFNT
     CGG⒎FEG
     

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118. ςετ࣌ؒΛ୹͘
     " ςετͷ਺ΛݮΒ͢
     # ແବͳϨίʔυΛ࡞Βͳ͍
     $ DSFBUFΑΓ΋CVJME
     % UFTURVFVFΛ࢖͏
     

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119. "ςετͷ਺ΛݮΒ͢
     ΧόϨοδΛ௥͏ඞཁ͕͋Δ͔ʁ
     SFRVFTUTQFDΛNPEFMTQFDʹஔ͖׵͑Εͳ͍
     ͔
     

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120. #ແବͳΠϯελϯε
     MFUɺCFGPSFͳͲͰ࡞͍ͬͯͳ͍͔
     GBDUPSZͰඥ෇͚͕ଟ͘ͳͬͯͳ͍͔
     

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121. $DSFBUFΑΓ΋CVJME
     DSFBUF͸ϞσϧΦϒδΣΫτ͕ੜ੒ͯ͠อଘ͢Δ
     CVJME͸ϞσϧΦϒδΣΫτΛੜ੒͢Δ
     

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122. % UFTURVFVF
     HFNIUUQTHJUIVCDPNUNNUFTURVFVF
     ςετΛฒྻ࣮ߦͰ͖Δ
     σϑΥϧτͷಉ࣮࣌ߦ਺͸$16ͷίΞ਺
     

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123. ·ͱΊ
     

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124. 34QFDશવ஌Βͳͯ͘΋
     

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125. αʔϏε͝ͱʹ34QFDͷϧʔϧ͕ಛʹͳͯ͘΋
     

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126. ؆୯ʹ࣮ݱՄೳͳ
     ࠷௿ݶͷ
     

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127. ϝϯςφϯε͠΍͍͢
     ςετίʔυʹ͢ΔͨΊͷ৺͕͚͸
     

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128. ͨͬͨ̎ͭ
     

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129. EFTDSJCF DPOUFYU JUΛਖ਼͘͠࢖͏
     EFTDSJCFͷ֎ʹMFUΛग़͞ͳ͍
     

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130. ͜ͷೋ͕ͭ࠷༏ઌ
     

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131. ͜ΕΛϕʔεʹ
     

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132. ։ൃςετͱͯ͠Ͳ͜·Ͱςετ͢Δ͔
     NPEFMTQFDͱSFRVFTUTQFDͷॅΈ෼͚
     JU಺ͰԿݸ΋FYQFDU͠ͳ͍
     ్தͰVQEBUF͠ͳ͍
     

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133. جૅ͔Β34QFDΛ஌Γ͍ͨ
     3TQFDʹΑΔ3BJMTςετೖ໳
     ిࢠॻ੶ͷΈ
     ҏ౻३Ұ͞ΜͷRJJUB
     #FUUFS4QFDT
     ͜ΕಡΈͳ͕Β͕͍͍͔΋ʮαϤφϥ#FUUFS4QFDT ʯ
     ެࣜυΩϡϝϯτ
     

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134. ΋ͬͱϝϯςφϯε͠΍͘͢
     Մಡੑͷߴ͍ςετίʔυΛॻͨ͘Ίͷ͓࡞๏ू
     IUUQTHJUIVCDPNXJMMOFUSTQFDTUZMFHVJEF
     

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