如图,圆的周长为15.7分米,圆的面积是长方形的2/3,图中阴隐部分面积是多少平方分米?1U+Z5Z,k3]+~7l;Z-D;T-]+N+s
1U+Z5Z,k3]+~7l;Z-D;T-]+N+s
算式:提示'K:T1n4u'_9c1Q6r6x4G9s1U+Z5Z,k3]+~7l;Z-D;T-]+N+s
答: 阴影部分的面积是6Z4p'L5\8L*`.~+E.i7o平方分米。1U+Z5Z,k3]+~7l;Z-D;T-]+N+s