THANKS

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THANKSTHANKS THANKS设水路X,陆路为Y,则有Y-X=40,X/24-Y/40=14-11=3,X=240,Y=280

THANKS
THANKS

THANKS
设水路X,陆路为Y,则有Y-X=40,X/24-Y/40=14-11=3,X=240,Y=280

THANKS thanks: Thanks thanks thanks Thanks! -Thanks. thanks thanks! thanks thanks! thanks thanks thanks thanks~ thanks thanks ,thanks!