オンライン予約徹底解説 #railsdm2019

Rails Developers Meetup 2019 https://railsdm.github.io/ での発表資料です

Transcript

1. ΦϯϥΠϯ༧໿పఈղઆ
   גࣜձࣾτϨλதଜਅਓ !N@OBLBNVSB
   
   

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2. w தଜਅਓ !N@OBLBNVSB
   
   w αʔόαΠυΤϯδχΞ
   w τϨλͷશͯͷ"1*ͷ։ൃɾӡ༻
   w τϨλ/PXͷ։ൃɾӡ༻
   ࣗ ݾ ঺ հ
   

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3. View Slide

4. 21 00
   4 ໊
   ։࢝
   21 15
   ෼
   ϨετϥϯτϨλ
   ༧ࢉͷ໨҆ ϥετΦʔμʔ
   ¥6,000 23 00
   ϑϨϯν
   ͓ళʹి࿩ ϧʔτ࠶ݕࡧ ڞ༗ ళฮ৘ใ ༧໿औফ
   Ҡಈத
   STEP 3
   ϑϨϯν
   ϨετϥϯτϨλ
   ༧ࢉͷ໨҆
   ڑ཭ͷ໨҆ ϥετΦʔμʔ
   ¥6,000
   5෼ 23 00
   ॅॴ ౦ژ౎඼઒۠੢ޒ൓ా
   ళฮ৘ใ
   མͪண͍ͨงғؾͷதͰɺ৺Ώ͘·Ͱ৯ࣄΛຯΘͬͯ
   ͍ͩ͘͞ɻ
   ͓ళͷઆ໌
   ύελͷछྨ๛෋ɻύελҎ֎ʹ΋ɺ೑ɺνʔζɺ໺
   ࡊ΍ΩϊίͳͲʮࢁʯͷΠλϦΞϯ
   ྉཧͷઆ໌
   εϓϚϯςɺ੺ϫΠϯɺനϫΠϯɺੜϏʔϧɺϋΠ
   υϦϯΫͷઆ໌
   ։໊࢝Ͱ༧໿͢Δ
   STEP 2
   ۙ͘ͷ͓ళΛ୳͢
   21 15 ։࢝
   3
   2 5 6
   4
   ͝ར༻ਓ਺Λબ୒͍ͯͩ͘͠͞ɻ
   21 00
   STEP 1
   

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5. ҿ৯ళͷΦϯϥΠϯ༧໿͸೉͍͠
   

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6. ࢴͷ༧໿୆ா
   ҿ ৯ ళ ͷ Φ ϯ ϥ Π ϯ ༧ ໿
   ΋ͱ΋ͱҿ৯ళͰ࢖ΘΕ͍ͯͨ
   

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7. ෳ਺ͷάϧϝϝσΟΞͷࡏݿΛૢ࡞
   ҿ ৯ ళ ͷ Φ ϯ ϥ Π ϯ ༧ ໿
   

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8. ֤άϧϝαΠτ΁ͷࡏݿܝग़
   ྫɿ੮਺͕੮ͷళฮ
   Χ΢ϯλʔ º
   ໊ςʔϒϧ º
   ໊ςʔϒϧ º
   ߹ܭ੮
   ੮
   άϧϝϝσΟΞ"
   ੮
   άϧϝϝσΟΞ#
   ੮
   άϧϝϝσΟΞ$
   ੮
   άϧϝϝσΟΞ%
   ੮
   άϧϝϝσΟΞ&
   ҿ ৯ ళ ͷ Φ ϯ ϥ Π ϯ ༧ ໿
   

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9. ҿ ৯ ళ ͷ Φ ϯ ϥ Π ϯ ༧ ໿
   ༧໿୆ாͷσδλϧԽͱసه࡞ۀͷࣗಈԽ
   ׬શͳΦϯϥΠϯ༧໿ͷͨΊʹඞཁͳͷ͸
   

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10. $0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFE
    ҿ ৯ ళ ͷ Φ ϯ ϥ Π ϯ ༧ ໿
    

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11. τϨλͷ༧໿ΦϖϨʔγϣϯ
    

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12. ͋ΒΏΔํ๏ͰτϨλʹ༧໿ΛೖΕΔ
    τ Ϩ λ ͷ ༧ ໿ Φ ϖ Ϩ ʔ γ ϣ ϯ
    

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13. (PPHMFͰ༧໿
    τ Ϩ λ ͷ ༧ ໿ Φ ϖ Ϩ ʔ γ ϣ ϯ
    

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14. View Slide

15. View Slide

16. ༧໿৘ใ ސ٬৘ใ
    DB DB
    ి࿩༧໿
    ༧
    ໿
    ୆
    ா
    ༧໿ͷσʔλԽ
    ి࿩༧໿ͷ߹ཧԽ
    τ Ϩ λ ͷ α ʔ Ϗ ε ߏ ଄
    τϨλϑΥϯ
    ίϯλΫτηϯλʔ
    *73
    Φ΢ϯυϝσΟΞ
    τϨλ΢Σϒ༧໿
    3FTFSWBUJPO"1*
    Φ΢ϯυڧԽ
    ސ٬઀఺ͷڧԽ
    άϧϝαΠτ
    (PPHMFͰ༧໿
    τϨλOPX
    ϝσΟΞίωΫτ
    ϝσΟΞίϯτϩʔϥʔ
    ΦϯϥΠϯ༧໿ීٴ
    ू٬ࢧԉ
    $3.
    ϝοηʔδϯά
    ސ٬Ϧαʔν
    جװγεςϜ࿈ܞ
    ݱ৔ࢧԉ
    $3.ڧԽ
    ސ٬ߦಈσʔλ
    $3.ڧԽ
    άϧϝαΠτ
    104ίωΫτ
    

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17. ༧໿৘ใ ސ٬৘ใ
    DB DB
    ి࿩༧໿
    ༧
    ໿
    ୆
    ா
    ༧໿ͷσʔλԽ
    ి࿩༧໿ͷ߹ཧԽ
    τ Ϩ λ ͷ α ʔ Ϗ ε ߏ ଄
    τϨλϑΥϯ
    ίϯλΫτηϯλʔ
    *73
    Φ΢ϯυϝσΟΞ
    τϨλ΢Σϒ༧໿
    3FTFSWBUJPO"1*
    Φ΢ϯυڧԽ
    ސ٬઀఺ͷڧԽ
    άϧϝαΠτ
    (PPHMFͰ༧໿
    τϨλOPX
    ϝσΟΞίωΫτ
    ϝσΟΞίϯτϩʔϥʔ
    ΦϯϥΠϯ༧໿ීٴ
    ू٬ࢧԉ
    $3.
    ϝοηʔδϯά
    ސ٬Ϧαʔν
    جװγεςϜ࿈ܞ
    ݱ৔ࢧԉ
    $3.ڧԽ
    ސ٬ߦಈσʔλ
    $3.ڧԽ
    άϧϝαΠτ
    104ίωΫτ
    

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18. ༧໿৘ใ ސ٬৘ใ
    DB DB
    ి࿩༧໿
    ༧
    ໿
    ୆
    ா
    ༧໿ͷσʔλԽ
    ి࿩༧໿ͷ߹ཧԽ
    τ Ϩ λ ͷ α ʔ Ϗ ε ߏ ଄
    τϨλϑΥϯ
    ίϯλΫτηϯλʔ
    *73
    Φ΢ϯυϝσΟΞ
    τϨλ΢Σϒ༧໿
    3FTFSWBUJPO"1*
    Φ΢ϯυڧԽ
    ސ٬઀఺ͷڧԽ
    άϧϝαΠτ
    (PPHMFͰ༧໿
    τϨλOPX
    ϝσΟΞίωΫτ
    ϝσΟΞίϯτϩʔϥʔ
    ΦϯϥΠϯ༧໿ීٴ
    ू٬ࢧԉ
    $3.
    ϝοηʔδϯά
    ސ٬Ϧαʔν
    جװγεςϜ࿈ܞ
    ݱ৔ࢧԉ
    $3.ڧԽ
    ސ٬ߦಈσʔλ
    $3.ڧԽ
    άϧϝαΠτ
    104ίωΫτ
    

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19. ༧໿৘ใ ސ٬৘ใ
    DB DB
    ి࿩༧໿
    ༧
    ໿
    ୆
    ா
    ༧໿ͷσʔλԽ
    ి࿩༧໿ͷ߹ཧԽ
    τ Ϩ λ ͷ α ʔ Ϗ ε ߏ ଄
    τϨλϑΥϯ
    ίϯλΫτηϯλʔ
    *73
    Φ΢ϯυϝσΟΞ
    τϨλ΢Σϒ༧໿
    3FTFSWBUJPO"1*
    Φ΢ϯυڧԽ
    ސ٬઀఺ͷڧԽ
    άϧϝαΠτ
    (PPHMFͰ༧໿
    τϨλOPX
    ϝσΟΞίωΫτ
    ϝσΟΞίϯτϩʔϥʔ
    ΦϯϥΠϯ༧໿ීٴ
    ू٬ࢧԉ
    $3.
    ϝοηʔδϯά
    ސ٬Ϧαʔν
    جװγεςϜ࿈ܞ
    ݱ৔ࢧԉ
    $3.ڧԽ
    ސ٬ߦಈσʔλ
    $3.ڧԽ
    άϧϝαΠτ
    104ίωΫτ
    

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20. ༧໿৘ใ ސ٬৘ใ
    DB DB
    ి࿩༧໿
    ༧
    ໿
    ୆
    ா
    ༧໿ͷσʔλԽ
    ి࿩༧໿ͷ߹ཧԽ
    τ Ϩ λ ͷ α ʔ Ϗ ε ߏ ଄
    τϨλϑΥϯ
    ίϯλΫτηϯλʔ
    *73
    Φ΢ϯυϝσΟΞ
    τϨλ΢Σϒ༧໿
    3FTFSWBUJPO"1*
    Φ΢ϯυڧԽ
    ސ٬઀఺ͷڧԽ
    άϧϝαΠτ
    (PPHMFͰ༧໿
    τϨλOPX
    ϝσΟΞίωΫτ
    ϝσΟΞίϯτϩʔϥʔ
    ΦϯϥΠϯ༧໿ීٴ
    ू٬ࢧԉ
    $3.
    ϝοηʔδϯά
    ސ٬Ϧαʔν
    جװγεςϜ࿈ܞ
    ݱ৔ࢧԉ
    $3.ڧԽ
    ސ٬ߦಈσʔλ
    $3.ڧԽ
    άϧϝαΠτ
    104ίωΫτ
    

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21. ༧໿৘ใ ސ٬৘ใ
    DB DB
    ి࿩༧໿
    ༧
    ໿
    ୆
    ா
    ༧໿ͷσʔλԽ
    ి࿩༧໿ͷ߹ཧԽ
    τ Ϩ λ ͷ α ʔ Ϗ ε ߏ ଄
    τϨλϑΥϯ
    ίϯλΫτηϯλʔ
    *73
    Φ΢ϯυϝσΟΞ
    τϨλ΢Σϒ༧໿
    3FTFSWBUJPO"1*
    Φ΢ϯυڧԽ
    ސ٬઀఺ͷڧԽ
    άϧϝαΠτ
    (PPHMFͰ༧໿
    τϨλOPX
    ϝσΟΞίωΫτ
    ϝσΟΞίϯτϩʔϥʔ
    ΦϯϥΠϯ༧໿ීٴ
    ू٬ࢧԉ
    $3.
    ϝοηʔδϯά
    ސ٬Ϧαʔν
    جװγεςϜ࿈ܞ
    ݱ৔ࢧԉ
    $3.ڧԽ
    ސ٬ߦಈσʔλ
    $3.ڧԽ
    άϧϝαΠτ
    104ίωΫτ
    

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22. τϨλʹࣗಈతʹ༧໿͕ೖΔ
    Ӧۀத͸τϨλͷը໘͚ͩΛݟΕ͹0,
    ΦϖϨʔγϣϯ͕؆୯ʹͳͬͨ
    τ Ϩ λ ͷ ༧ ໿ Φ ϖ Ϩ ʔ γ ϣ ϯ
    

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23. 8FC༧໿ઃఆͷྺ࢙
    

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24. ༧໿ͷೖΕํΛ޻෉͢Δͱ
    ച্্͕͕Δ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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25. ճస
    

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26. ճస
    

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27. ੮ࡏݿʹ͸ۭؒత੍໿ͱ࣌ؒత੍໿ͷ
    ͭͷ৚͕݅͋Δ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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28. ۭؒత੍໿ͷม਺
    ςʔϒϧ
    ༧໿ਓ਺
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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29. ҿ৯ళʹͱͬͯ੮ޮ཰͸
    ച্࠷େԽͷͨΊʹେࣄͳཁૉͷͭ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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30. ҿ৯ళʹ͓͚Δ੮ࡏݿͷߟ͑ํ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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31. ຊདྷͷ੮ɾςʔϒϧ୯Ґͷ৔߹
    Χ΢ϯλʔʹ੮
    ςʔϒϧʹ੮
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    ҿ৯ళʹ͓͚Δ੮ࡏݿͷߟ͑ํ
    

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32. ੮ɾςʔϒϧΛ݁߹͢Δ৔߹
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    ҿ৯ళʹ͓͚Δ੮ࡏݿͷߟ͑ํ
    

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33. ੮ɾςʔϒϧΛ݁߹͢Δ৔߹
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    ҿ৯ళʹ͓͚Δ੮ࡏݿͷߟ͑ํ
    

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34. ࣌ؒత੍໿ͷม਺
    Ӧۀ೔
    Ӧۀ࣌ؒ
    ༧໿ͷ଺ࡏ࣌ؒ
    8FC༧໿։࢝࣌ؒ
    8FC༧໿ड෇ظؒ
    8FC༧໿ड͚෇͚క੾࣌ؒ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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35. Ӧ ۀ ೔ ઃ ఆ
    

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36. Ӧ ۀ ࣌ ؒ ઃ ఆ
    

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37. ॳظͷ8FC༧໿ࡏݿͷࢥ૝
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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38. ۭؒతɾ࣌ؒత੍໿Λ
    Ծ૝తͳςʔϒϧͰදݱ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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39. ࡏݿͷ࿮Λ࡞Δ
    ࿮Ҏ֎ͷۭ͖ʹ͸༧໿͸ೖΒͳ͍
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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40. View Slide

41. 8FC༧໿ςʔϒϧ 8FC༧໿ςʔϒϧ
    8FC༧໿ςʔϒϧ
    8FC༧໿ςʔϒϧ
    8FC༧໿ςʔϒϧ
    8FC༧໿ςʔϒϧ
    8FC༧໿ςʔϒϧ
    8FC༧໿ςʔϒϧ 8FC༧໿ςʔϒϧ
    8FC༧໿ςʔϒϧ 8FC༧໿ςʔϒϧ
    

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42. ೖͬͯ͘Δ༧໿Λ͓ళଆ͕ίϯτϩʔϧՄೳ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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43. View Slide

44. ൟ੝ళ޲͚ͷ
    ߴ౓ͳςʔϒϧϚωδϝϯτΛ࣮ݱ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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45. ࡏݿͷ࣮૷ํ๏
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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46. ඞཁʹͳΔͱ͖ʹࡏݿΛܭࢉ͢Δ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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47. ࡏݿΛܭࢉ͢Δ
    ࡏݿͷࢀরස౓͸ଟ͘ͳ͍
    ӬଓԽ͠ͳ͍
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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48. ࡏݿΛࢀর͢ΔλΠϛϯά
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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49. ༧໿৘ใ ސ٬৘ใ
    DB DB
    ి࿩༧໿
    ༧
    ໿
    ୆
    ா
    σʔλ׆༻
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    τϨλϑΥϯ
    ίϯλΫτηϯλʔ
    *73
    Φ΢ϯυϝσΟΞ
    τϨλ΢Σϒ༧໿
    3FTFSWBUJPO"1*
    άϧϝαΠτ
    (PPHMFͰ༧໿
    τϨλOPX
    ϝσΟΞίωΫτ
    ϝσΟΞίϯτϩʔϥʔ
    $3.
    ϝοηʔδϯά
    ސ٬Ϧαʔν
    جװγεςϜ࿈ܞ
    άϧϝαΠτ
    104ίωΫτ
    

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50. View Slide

51. ॳظ͸ಋೖళฮ͕ൟ੝ళͩͬͨͷͰ
    ͜ͷઃܭࢥ૝͕ϑΟοτͨ͠
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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52. ಋೖళฮ਺૿Ճ
    ͜ͷઃܭͰ͸ಋೖͮ͠Β͍ళฮ΋૿͖͑ͯͨ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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53. ৗʹ༧໿͕ຒ·ΔΘ͚Ͱ͸ͳ͍ళฮ
    େख๏ਓҰׅಋೖ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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54. View Slide

55. 8FC༧໿ͷઃఆίετ͕ߴ͍
    ΦϯϘʔσΟϯά͕Ͱ͖ͳ͍ͷͰઃఆΛ୅ߦ
    ࣾ಺ίετ͕૿Ճ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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56. ࡏݿ৘ใΛ࢖ͬͨϏδωε
    ࡏݿσʔλͷࢀরස౓͕૿Ճ
    ࡏݿ৘ใͷӬଓԽͷཁ๬͕૿Ճ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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57. ݱࡏͷχʔζʹԊͬͨ
    8FC༧໿ઃఆ͕ඞཁ
    8 F C ༧ ໿ ઃ ఆ ͷ ྺ ࢙
    

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58. View Slide

59. ࡏݿϞσϧͷಋೖ
    

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60. 8FC༧໿ࡏݿͷઃܭࢥ૝ͷมߋ
    ࡏ ݿ Ϟ σ ϧ ͷ ಋ ೖ
    

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61. ۭ͖ͷ෦෼͸ࡏݿͱͯ͠ग़͢
    ग़ͨ͘͠ͳ͍෦෼Λด͡Δ
    ࡏ ݿ Ϟ σ ϧ ͷ ಋ ೖ
    

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62. View Slide

63. ։์͠ͳ͍
    8FC༧໿ςʔϒϧ
    8FC༧໿ςʔϒϧ
    8FC༧໿ςʔϒϧ 8FC༧໿ςʔϒϧ
    ։์͠ͳ͍
    ςʔϒϧάϧʔϓ
    

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64. ࡏݿϞσϧͷܭࢉํ๏
    ࡏ ݿ Ϟ σ ϧ ͷ ಋ ೖ
    

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65. ࡏݿϞσϧͷܭࢉม਺
    ༧໿
    ςʔϒϧ
    ςʔϒϧάϧʔϓ
    Ӧۀ೔
    Ӧۀ࣌ؒ
    ΫΤϦͷ
    Өڹൣғ
    খ
    େ
    ૢ࡞ස౓
    ߴ
    ௿
    ࡏ ݿ Ϟ σ ϧ ͷ ಋ ೖ
    

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66. ςʔϒϧάϧʔϓ
    Ӧۀ೔
    Ӧۀ࣌ؒ
    ςʔϒϧ
    ༧໿
    

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67. ܭࢉม਺͕࡞੒ɾߋ৽ɾ࡟আ͞ΕͨΒ
    "DUJWF3DPSEDBMMCBDLͰ
    ࡏݿܭࢉ༻4JEFLJRXPSLFSΛFORVFVF
    ࡏ ݿ Ϟ σ ϧ ͷ ಋ ೖ
    

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68. 21 00
    4 ໊
    ։࢝
    21 15
    ෼
    ϨετϥϯτϨλ
    ༧ࢉͷ໨҆ ϥετΦʔμʔ
    ¥6,000 23 00
    ϑϨϯν
    ͓ళʹి࿩ ϧʔτ࠶ݕࡧ ڞ༗ ళฮ৘ใ ༧໿औফ
    Ҡಈத
    STEP 3
    ϑϨϯν
    ϨετϥϯτϨλ
    ༧ࢉͷ໨҆
    ڑ཭ͷ໨҆ ϥετΦʔμʔ
    ¥6,000
    5෼ 23 00
    ॅॴ ౦ژ౎඼઒۠੢ޒ൓ా
    ళฮ৘ใ
    མͪண͍ͨงғؾͷதͰɺ৺Ώ͘·Ͱ৯ࣄΛຯΘͬͯ
    ͍ͩ͘͞ɻ
    ͓ళͷઆ໌
    ύελͷछྨ๛෋ɻύελҎ֎ʹ΋ɺ೑ɺνʔζɺ໺
    ࡊ΍ΩϊίͳͲʮࢁʯͷΠλϦΞϯ
    ྉཧͷઆ໌
    εϓϚϯςɺ੺ϫΠϯɺനϫΠϯɺੜϏʔϧɺϋΠ
    υϦϯΫͷઆ໌
    ։໊࢝Ͱ༧໿͢Δ
    STEP 2
    ۙ͘ͷ͓ళΛ୳͢
    21 15 ։࢝
    3
    2 5 6
    4
    ͝ར༻ਓ਺Λબ୒͍ͯͩ͘͠͞ɻ
    21 00
    STEP 1
    

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69. 8FC༧໿ઃఆͷࠓޙ
    

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70. طଘͷ8FC༧໿ςʔϒϧͱ
    ࡏݿϞσϧͷ༥߹
    8 F C ༧ ໿ ઃ ఆ ͷ ࠓ ޙ
    

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71. View Slide

72. શͯͷ༧໿ͷೖΓޱͷࡏݿࢀরํ๏ͷ౷Ұ
    8 F C ༧ ໿ ઃ ఆ ͷ ࠓ ޙ
    

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73. ༧໿৘ใ ސ٬৘ใ
    DB DB
    ి࿩༧໿
    ༧
    ໿
    ୆
    ா
    τ Ϩ λ ͷ α ʔ Ϗ ε ߏ ଄
    τϨλϑΥϯ
    ίϯλΫτηϯλʔ
    *73
    Φ΢ϯυϝσΟΞ
    τϨλ΢Σϒ༧໿
    3FTFSWBUJPO"1*
    άϧϝαΠτ
    (PPHMFͰ༧໿
    τϨλOPX
    ϝσΟΞίωΫτ
    ϝσΟΞίϯτϩʔϥʔ
    $3.
    ϝοηʔδϯά
    ސ٬Ϧαʔν
    جװγεςϜ࿈ܞ
    άϧϝαΠτ
    104ίωΫτ
    8FC༧໿ςʔϒϧ
    ࡏݿϞσϧ
    

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74. View Slide