由图可知,v1是R1和R2两端的电压,V2是R2和R3两端的电压,由题意就可列出如下算式:(R1+R2)/(R2+R3)=4:6 (R1+R3)/(R2+R3)=4:6,计算结果为:R1:R2:R3=1:3:3,
不知你看懂否,