看图,求阴影部分的面积。(单位:厘米)2l7_/^2f,J;j5u-Z,E+}+H,P
(1) (2)2l7_/^2f,J;j5u-Z,E+}+H,P
(3) (4)2l7_/^2f,J;j5u-Z,E+}+H,P
(1)
算式:提示8F*F.g0}/]'L8p)E2l7_/^2f,J;j5u-Z,E+}+H,P
答:阴影部分的面积是5S0q-G.x'f(r)d3Z平方厘米。2l7_/^2f,J;j5u-Z,E+}+H,P
(2)
算式:提示,i,w+Z3z:K3Z1S1W0Y5V2l7_/^2f,J;j5u-Z,E+}+H,P
答:阴影部分的面积是(\,S4U3G:r-]5]6V*k(x平方厘米。2l7_/^2f,J;j5u-Z,E+}+H,P
(3)
算式:提示5h'@4}5^/a'K)f2l7_/^2f,J;j5u-Z,E+}+H,P
答:阴影部分的面积是:M+e+Y+I4Q8J平方厘米。2l7_/^2f,J;j5u-Z,E+}+H,P
(4)
算式:提示5P:D-b0T/v;^1~,e+x5w,D1]2l7_/^2f,J;j5u-Z,E+}+H,P
答:阴影部分的面积是/M2_8S-B8x.B/W)v.o;l'[6T平方厘米。2l7_/^2f,J;j5u-Z,E+}+H,P