估计下面各图形所占的面积约是多少。（每小格边长为1cm）9q'j8~/a7U8y:y2N.i
9q'j8~/a7U8y:y2N.i
小猪占的面积约是7s-m)O.X7t5ycm²，小兔占的面积约是5Z/@0v:B'Q1}4}0t;zcm²。9q'j8~/a7U8y:y2N.i