诺a除b等于五(ab都不等于0)则a:b=几比几 ,诺a=b(ab都不等于0)则a:b等于几比几

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诺a除b等于五(ab都不等于0)则a:b=几比几,诺a=b(ab都不等于0)则a:b等于几比几诺a除b等于五(ab都不等于0)则a:b=几比几,诺a=b(ab都不等于0)则a:b等于几比几诺a除b等于

诺a除b等于五(ab都不等于0)则a:b=几比几 ,诺a=b(ab都不等于0)则a:b等于几比几
诺a除b等于五(ab都不等于0)则a:b=几比几 ,诺a=b(ab都不等于0)则a:b等于几比几

诺a除b等于五(ab都不等于0)则a:b=几比几 ,诺a=b(ab都不等于0)则a:b等于几比几
b/a=5
b=5a
a:b=1:5
1:1