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@mkwrd ਫ ฏ ࢥ ߟ ͷ ੈ ք L AT E R A L T H I N K I N G : A N I N T R O D U C T I O N " Q S J M 4 F M F O J V N $ P O G 5P L Z P - J H I U O J O H 5B M L Masanori Kawarada

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ΤυϫʔυɾσϘϊʦஶʧ ౻ౡΈ͞ࢠʦ༁ʧʢʣ ʰਫฏࢥߟͷੈքʱʢ͖͜ॻ๪ʣ &EXBSEEF#POP l-"5&3"-5)*/,*/("/*/530%6$5*0/z "OE SFBMMZJNQSFTTJWFUBMLCZ*OHP1IJMMJQPOUIF DPOGFSFODFJO.PTDPX 5IJTUBMLJTCBTFEPOʜ

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"QQSPBDI 5FDIOJRVF

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"QQSPBDI 5FDIOJRVF

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Roger Federer

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ATP 500 Dubai Duty Free Tennis Championships 32 Players

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ATP 500 Dubai Duty Free Tennis Championships 32 Players Until Roger Federer won, how many matches were held in this tournament?

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ATP 500 Dubai Duty Free Tennis Championships 32 Players

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ATP 500 Dubai Duty Free Tennis Championships 32 Players

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ATP 500 Dubai Duty Free Tennis Championships 32 Players

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ATP 500 Dubai Duty Free Tennis Championships 32 Players

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ATP 500 Dubai Duty Free Tennis Championships 32 Players ▶︎ Logical, Analytical, Sequential ⾢

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨ௚ࢥߟ Vertical Thinking ATP 500 Dubai Duty Free Tennis Championships 32 Players ▶︎ Logical, Analytical, Sequential ⾢

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨ௚ࢥߟ Vertical Thinking ਫฏࢥߟ Lateral Thinking ▶︎ Logical, Analytical, Sequential ⾢ ▶︎ Insightful, General, Random ⾢

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨ௚ࢥߟ Vertical Thinking ਫฏࢥߟ Lateral Thinking ▶︎ Logical, Analytical, Sequential ⾢ Consider not only winners but also losers ▼ ▶︎ Insightful, General, Random ⾢

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨ௚ࢥߟ Vertical Thinking ਫฏࢥߟ Lateral Thinking ▶︎ Logical, Analytical, Sequential ⾢ ▶︎ Insightful, General, Random ⾢ Consider not only winners but also losers ▼ If winner is only 1, other 31 players lose definitely

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨ௚ࢥߟ Vertical Thinking ਫฏࢥߟ Lateral Thinking ▶︎ Logical, Analytical, Sequential ⾢ ▶︎ Insightful, General, Random ⾢ Consider not only winners but also losers ▼ If winner is only 1, other 31 players lose definitely Each player loses 1 time in a tournament, so the answer is 31 (# of losers)

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨ௚ࢥߟ Vertical Thinking ਫฏࢥߟ Lateral Thinking ▶︎ Logical, Analytical, Sequential ⾢ ▶︎ Insightful, General, Random ⾢ Consider not only winners but also losers ▼ If winner is only 1, other 31 players lose definitely Each player loses 1 time in a tournament, so the answer is 31 (# of losers) ૑଄తࢥߟ Creative Thinking ▼

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3PVOE .BUDIFT 1MBZFST 3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨ௚ࢥߟ Vertical Thinking ਫฏࢥߟ Lateral Thinking ▶︎ Logical, Analytical, Sequential ⾢ ▶︎ Insightful, General, Random ⾢ ▼ ୳ࡧతςετ Exploratory Testing ▼

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ਨ௚ࢥߟ Vertical Thinking ਫฏࢥߟ Lateral Thinking ▶︎ Logical, Analytical, Sequential ⾢ ▶︎ Insightful, General, Random ⾢ ▼ ୳ࡧతςετ Exploratory Testing ▼ ▼ ▼ ܗࣜతςετ Formal Testing

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˛ ୳ࡧతςετ Exploratory Testing ˛ ˛ ˛ ܗࣜతςετ Formal Testing ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ςετ Test

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˛ ୳ࡧతςετ Exploratory Testing ˛ ˛ ˛ ܗࣜతςετ Formal Testing ςετ Test

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8FEP'PSNBM5FTUJOHUPPNVDI

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8IBUJTUIFNPTUTVQFSJPSUPPMJT 063#3"*/

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8IBUJTUIFNPTUTVQFSJPSUPPMJT 063#3"*/ "UpSTU XIZEPOUZPVMFBSO -"5&3"-5)*/,*/(

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@mkwrd ਫ ฏ ࢥ ߟ ͷ ੈ ք L AT E R A L T H I N K I N G : A N I N T R O D U C T I O N " Q S J M 4 F M F O J V N $ P O G 5P L Z P - J H I U O J O H 5B M L Masanori Kawarada