The parabolas \( y^{2}=4 x \) and \( x^{2}=4 y \) divide the square...

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The parabolas \( y^{2}=4 x \) and \( x^{2}=4 y \) divide the square region bounded by the lines \( x=4, y=4 \) and the coordinate axes.
P If \( S_{1}, S_{2}, S_{3} \) are the areas of these parts numbered from top

W to bottom, respectively, then
(1) \( S_{1}: S_{2} \equiv 1: 1 \)
(2) \( S_{2}: S_{3} \equiv 1: 2 \)
(3) \( S_{1}: S_{3} \equiv 1: 1 \)
(4) \( S_{1}:\left(S_{1}+S_{2}\right)=1: 2 \)
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