直角三角形中,两直角边长为a,b,斜边长为c,斜边上的高为h,则( )
A.1/a^2+1/b^2=1/h^2B.1/a^2+1/c^2=1/h^2C.1/b^2+1/c^2=1/h^2D.1/a^2+1/b^2+1/c^2=1/h^2...
A.1/a^2+1/b^2=1/h^2 B.1/a^2+1/c^2=1/h^2
C.1/b^2+1/c^2=1/h^2 D.1/a^2+1/b^2+1/c^2=1/h^2 展开
C.1/b^2+1/c^2=1/h^2 D.1/a^2+1/b^2+1/c^2=1/h^2 展开
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