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若变量已正确说明为float型,要通过语句scanf("%f%f%f",&a,&b,&c);给a赋予10.0,b赋予22.0,c赋予33.0,下列不正确的输入形式是

A.10<回车>22<回车>33<回车>

B.10.0,22.0,33.0<回车>

C.10.0<回车>22.033.0<回车>

D.10 22<回车>33<回车>

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