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巧得61的数学题.谁会?用上0,1,2,3,4,5,6,7,8,9十个数字,任意拼合成五个两位数.如何巧妙安排这五个两位数,形成一道得61的等式?
更新时间: 2025-08-21 13:33:42
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巧得61的数学题.谁会?

用上0,1,2,3,4,5,6,7,8,9十个数字,任意拼合成五个两位数.如何巧妙安排这五个两位数,形成一道得61的等式?

马群回答:
  太多了,计算一些吧:   12/(34-58)*70+96=61,12-34+68-75+90=61,12-34+68+90-75=61   12/(34-69)*70+85=61,12-34+60-75+98=61,12-34+60+98-75=61   12-34-75+68+90=61,12-34-75+60+98=61,12-34-75+98+60=61   12-34-75+90+68=61,(12*34+80)/(67-59)=61,(12-(34-98)*57)/60=61   12-34+98+60-75=61,12-34+98-75+60=61,12-34+90+68-75=61   12-34+90-75+68=61,12-35+68-74+90=61,12-35+68+90-74=61   12+35*(69-70)+84=61,12+35/(69-70)+84=61,12-35-(69-70)*84=61   12-35+60-74+98=61,12-35+60+98-74=61,12-35-74+68+90=61   12-35-74+60+98=61,12-35-74+98+60=61,12-35-74+90+68=61   12/35*70-49+86=61,12-35+(70-69)*84=61,12-35*(70-69)+84=61   (12-35)*(70-69)+84=61,12-35/(70-69)+84=61,(12-35)/(70-69)+84=61   12/35*70+86-49=61,12+(35-84)*(69-70)=61,12+(35-84)/(69-70)=61   12-35-84*(69-70)=61,12-35-84/(69-70)=61,12-35+84*(70-69)=61   (12-35+84)*(70-69)=61,12-35+84/(70-69)=61,(12-35+84)/(70-69)=61   12-(35-84)*(70-69)=61,12-(35-84)/(70-69)=61,12-35+98+60-74=61   12-35+98-74+60=61,12*(35+98)/76+40=61,12*35/(98-70)+46=61   12-35+90+68-74=61,12-35+90-74+68=61,12/36*(48-90)+75=61   (12*36-40)/98+57=61,12/36*57-48+90=61,12/36*57+90-48=61   56-78+90+24-31=61,56-78+90-31+24=61,56-78+91+32-40=61   56-78+91-40+32=61,56-78+92+31-40=61,56-(78+92)/34+10=61   56-78+92-40+31=61,56-(78-94)*10/32=61,56-78+94+20-31=61   56-78+94-31+20=61,56-(78-94)/32*10=61,56+78-19-20-34=61   56+78-19-24-30=61,56+78-19-30-24=61,56+78-19-34-20=61   56+78-10-29-34=61,56+78-10-24-39=61,56+78-10-39-24=61   56+78-10-34-29=61,56+(78/13+94)/20=61,56-78/13-29+40=61   98-34+12+60-75=61,98-34+12-75+60=61,98+34-15+20-76=61   98-34-15-60+72=61,98-34-15+72-60=61,98+34-15-76+20=61   (98-34+16)/20+57=61,98+34-16+20-75=61,98+34-16-75+20=61   98-34/17+25-60=61,(98+34/17)/20+56=61,98+34*(17-20)+65=61   98/34*17-50+62=61,98/34*17+62-50=61,98-34/17-60+25=61   98-34+10+62-75=61,98-34-10-65+72=61,98-34-10+72-65=61   98-34+10-75+62=61,(98-34)/(26-10)+57=61,98-34+27/(51-60)=61   98-34-27/(60-51)=61,98+34+20-15-76=61,98+34+20-16-75=61   98-34*(20-17)+65=61
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