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東來西往金蟲 (小有名氣)
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[交流]
求解一道數(shù)學題
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金蟲 (小有名氣)
版主 (文壇精英)
有尾巴的青蛙
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?????? B??D??F??H???±?????????????????????ü?????????????????????? ?à ????????????????1+2+3+??+9+B+D+F+H??45+B+D+F+H??45+9+8+7+6=75 ??????????????×?????75???òB+D+F+H=9+8+7+6=30 ???? ?????·??????×?????????????????????×????? ?à ??????????????13??14??15??16??17 ??????????????????????×????? S=(A+B)+(H+I)??13+14=27 ??B+H??9+8=17??A+I??4+5???à S×??ó??26???????????á???????? ?à ????????????×???????????75 ??????????????×???????????5??±??? ?à ????????????×???×??à??70?? https://zhidao.baidu.com/question/38609881 [ Last edited by qfw_68 on 2010-7-28 at 14:45 ] |

版主 (文壇精英)
有尾巴的青蛙
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·??????¨·?·¨????????5??????×?????,?????? A+B+1=B+C+D ?? B+C+D+1=D+E+F??D+E+F+1=F+G+H??F+G+H+1=I. ?ù???ó????????×??????????? : (A+B)+(A+B+1)+(A+B+2)+(A+B+3)+(A+B+4)=5(A+B)+10 H+I×??ó????8+9=17, ?ù??A+B<17-4, A+B<13 5(A+B)+10<75 ?ú×?5??????×???????????A+B>5+6 5(A+B)+10>65 ?ù????????°???70 ?¨·?·¨???? ??×?1????9??????45??B??D??F??H??????????·??????????????à???????????ò????????????×???????×???????45+B+D+F+H??????????????×?????????×??ó??????????·??????????ü×??ó????B??D??F??H×??ó??????9??8??7??6???ò??????????×?????????×??ó??????45+6+7+8+9=75.?í????????????×???????×?????????????5±???????75???ú×????ó????????????????70??65??60???????à?????? ?±??????????75?±????????????13??14??15??16??17????B??D??F??H??9??8??7??6?????±??·¨×é??13??14??15??16??17???±??????????70?±????????????12??13??14??15??16????×é???????? https://bbs.qzzn.com/read-htm-tid-11130434.html [ Last edited by qfw_68 on 2010-7-28 at 15:04 ] |

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