(4三14•石棉县模拟)求未X.

(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.
amfan 1年前 已收到1个回答 举报

却上寒山石径斜 幼苗

共回答了13个问题采纳率:76.9% 举报

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.

1年前

4
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