【用戶】饅頭
【年級】小六下
【評論內容】T=t ×(Y-F)T/Y=t x (Y-F)/Y=t-(t/Y)F當F越大,T/Y越小==AT與F反向變動ET=dT/dY x Y/T =t x Y/T......又T=t ×(Y-F) =Y/(Y-F)ET大於1
【用戶】饅頭
【年級】小六下
【評論內容】T=t ×(Y-F)T/Y=t x (Y-F)/Y=t-(t/Y)F當F越大,T/Y越小==AT與F反向變動ET=dT/dY x Y/T =t x Y/T......又T=t ×(Y-F) =Y/(Y-F)ET大於1
【用戶】饅頭
【年級】小六下
【評論內容】T=t ×(Y-F)T/Y=t x (Y-F)/Y=t-(t/Y)F當F越大,T/Y越小==AT與F反向變動ET=dT/dY x Y/T =t x Y/T......又T=t ×(Y-F) =Y/(Y-F)ET大於1
【用戶】饅頭
【年級】小六下
【評論內容】T=t ×(Y-F)T/Y=t x (Y-F)/Y=t-(t/Y)F當F越大,T/Y越小==AT與F反向變動ET=dT/dY x Y/T =t x Y/T......又T=t ×(Y-F) =Y/(Y-F)ET大於1
【用戶】饅頭
【年級】小六下
【評論內容】T=t ×(Y-F)T/Y=t x (Y-F)/Y=t-(t/Y)F當F越大,T/Y越小==AT與F反向變動ET=dT/dY x Y/T =t x Y/T......又T=t ×(Y-F) =Y/(Y-F)ET大於1
【用戶】饅頭
【年級】小六下
【評論內容】T=t ×(Y-F)T/Y=t x (Y-F)/Y=t-(t/Y)F當F越大,T/Y越小==AT與F反向變動ET=dT/dY x Y/T =t x Y/T......又T=t ×(Y-F) =Y/(Y-F)ET大於1
【用戶】饅頭
【年級】小六下
【評論內容】T=t ×(Y-F)T/Y=t x (Y-F)/Y=t-(t/Y)F當F越大,T/Y越小==AT與F反向變動ET=dT/dY x Y/T =t x Y/T......又T=t ×(Y-F) =Y/(Y-F)ET大於1
【用戶】饅頭
【年級】小六下
【評論內容】T=t ×(Y-F)T/Y=t x (Y-F)/Y=t-(t/Y)F當F越大,T/Y越小==AT與F反向變動ET=dT/dY x Y/T =t x Y/T......又T=t ×(Y-F) =Y/(Y-F)ET大於1
【用戶】饅頭
【年級】小六下
【評論內容】T=t ×(Y-F)T/Y=t x (Y-F)/Y=t-(t/Y)F當F越大,T/Y越小==AT與F反向變動ET=dT/dY x Y/T =t x Y/T......又T=t ×(Y-F) =Y/(Y-F)ET大於1