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Question Number 115988 by bemath last updated on 30/Sep/20

Commented by mr W last updated on 01/Oct/20

((7!)/(2!2!))−2×((6!)/(2!))+5!+2×(((5!)/(2!))−4!)=732

7!2!2!−2×6!2!+5!+2×(5!2!−4!)=732

Commented by bemath last updated on 01/Oct/20

thank you sir. no answer is correct sir

thankyousir.noansweriscorrectsir

Answered by mr W last updated on 01/Oct/20

total: ((7!)/(2!2!)) 22 or 33 together: 2×(((6!)/(2!))−5!) 22 and 33 together: 5! 22 or 33 in the first two places: 2×(((5!)/(2!))−4!) ⇒((7!)/(2!2!))−2×(((6!)/(2!))−5!)−5!+2×(((5!)/(2!))−4!) =732

total:7!2!2!22or33together:2×(6!2!−5!)22and33together:5!22or33inthefirsttwoplaces:2×(5!2!−4!)⇒7!2!2!−2×(6!2!−5!)−5!+2×(5!2!−4!)=732

Commented by bemath last updated on 02/Oct/20

thank you very much prof mr W

thankyouverymuchprofmrW

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