must love插曲:100瑞郎=624.33/626.16RMB,100美元=799.64/801.06RMB,求美元/瑞郎的汇率

来源：百度文库 编辑：高考问答 时间：2024/04/29 07:43:00
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1瑞郎＝6.2433/6.2616RMB
1美元＝7.9964/8.0106RMB
美元/瑞郎＝7.9964/6.2433≈1.2808和8.0106/6.2616≈1.2793
所以美元/瑞郎＝1.2808/1.2793

1.28/1.28

100瑞郎=624.33/626.16RMB,100美元=799.64/801.06RMB,求美元/瑞郎的汇率 ( )/( )+( )=100 y=x=100/x与y=1-100/x2 100/(m-n) + 100/(m+n) = 100 / n 2x+1/2(100-x)=100 3x+1/3(100-x)=100 2x+1/2(100-x)=100 10/100x+5/100y=2.25~x,y=多少 100ms/cm=?cm/ms 100+(x-100)x1/10=200+{[x-100+(x-100)X1/10)]X1/10