第883题：Four Squares
The three larger squares meet at the center of the small square. How much of the small square is colored?
A. B.
C. D.
安卓手机扫描二维码安装App第883题：Four Squares
The three larger squares meet at the center of the small square. How much of the small square is colored?
A. B.
C. D.
苹果手机扫描二维码安装App