如图:靠墙边围成一个花坛,围花坛的篱笆长38m,这个花坛的面积是 .
0.6= ÷15= %==15: .
= :24=24: == %= (填小数)
1: ==25÷ = %=二成.
=40: = ÷40= %= (填小数)
=12: =1.2= ÷20= %