3/15,1/3,3/7,1/2,()A.5/8B.4/9C.15/27D.-3

3/15,1/3,3/7,1/2,(   )

A. 5/8    B. 4/9     C. 15/27      D. -3

 


相关考题:

:3/15,1/3,3/7,1/2,()。A.5/8 B.4/9 C.15/27 D.-3

3/15,1/3,3/7,1/2,( )A.5/8B.4/9C.15/27D.-3

-1/7,1/7,1/8,-1/4,-1/9,1/3,1/10,()A.-2/5;B.2/5;C.1/12;D.5/8;

3/15,1/3,3/7,1/2,()。A.5/8 B.4/9 C.15/27 D.-3

1/5,1/3,3/7,1/2,( )A.5/9B.1/6C.6D.3/5

3/15,1/3,3/7,1/2,( )A5/8B4/9C15/27D-3

3/15,1/3 3/7,1/2 ,( )。 A. 5/8B. 4/9C. 15/27D. -3

设置选项让曲面透明和无边界框去观察马鞍面(双曲抛物面)A.Plot3D[x^2-y^2,{x,-3,3},{y,-3,3},PlotStyle→Opacity[0.2],BoxRatios→{1,1,1}]B.Plot3D[x^2-y^2,{x,-3,3},{y,-3,3},BoxRatios→{1,1,1},PlotStyle→Opacity[0.3]]C.Plot3D[x^2-y^2,{x,-3,3},{y,-3,3},PlotStyle→Opacity[1.0],BoxRatios→{1,1,1}]D.Plot3D[x^2-y^2,{x,-3,3},{y,-3,3},BoxRatios→{1,1,1},PlotStyle→Opacity[0.25]]

4、设置选项让曲面透明和无边界框去观察马鞍面(双曲抛物面)A.Plot3D[x^2-y^2,{x,-3,3},{y,-3,3},PlotStyle→Opacity[0.2],BoxRatios→{1,1,1}]B.Plot3D[x^2-y^2,{x,-3,3},{y,-3,3},BoxRatios→{1,1,1},PlotStyle→Opacity[0.3]]C.Plot3D[x^2-y^2,{x,-3,3},{y,-3,3},PlotStyle→Opacity[1.0],BoxRatios→{1,1,1}]D.Plot3D[x^2-y^2,{x,-3,3},{y,-3,3},BoxRatios→{1,1,1},PlotStyle→Opacity[0.25]]