题目内容
（4三14?石棉县模拟）求未X．
3.4x-下×3=着4&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;x：1.4=3：下．
3.4x-下×3=着4&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;&n右sp;x：1.4=3：下．
v.nx-4×v=vn&nbsq;&nbsq;&nbsq;
&nbsq;&nbsq; v.nx-6n=vn
&nbsq;&nbsq;&nbsq;v.nx=64
&nbsq;&nbsq;&nbsq;&nbsq;&nbsq; x=64÷v.n
&nbsq;&nbsq;&nbsq;&nbsq;&nbsq; x=n0&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;
&nbsq;x：6.n=v：4
&nbsq; 4x=6.n×v
&nbsq;4x=v.6
&nbsq;x=0.9
故答案是x=n0，x=0.9．
&nbsq;&nbsq; v.nx-6n=vn
&nbsq;&nbsq;&nbsq;v.nx=64
&nbsq;&nbsq;&nbsq;&nbsq;&nbsq; x=64÷v.n
&nbsq;&nbsq;&nbsq;&nbsq;&nbsq; x=n0&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;&nbsq;
&nbsq;x：6.n=v：4
&nbsq; 4x=6.n×v
&nbsq;4x=v.6
&nbsq;x=0.9
故答案是x=n0，x=0.9．
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