按照?qǐng)D畫出所示圖形,求陰影區(qū)域的面積。()
A.2402.5055 B.2402.0555 C.2402.5505 D.2402.5550
按照?qǐng)D畫出所示圖形,求剖面線區(qū)域的面積。()
A.1029.7229 B.1029.2729 C.1029.7292 D.1029.7922
A.799.0126 B.799.0621 C.799.0162 D.799.0612