【进阶级练习题49】9 _5 w% T1 e6 S: g
原创:Joseflin先生(台湾) 整理:SHAONX(上海) " Q& y) E6 l. J' P% J9 v# s* d7 U8 f
求:5 E6 y$ k* ^! \0 Q7 u. u- k8 e
1. a 值为何? * h* ]/ q3 v. T! g4 n; `* V a. 49.8293 b.49.8329 c. 49.8392 9 d# F" @, Y4 W; M8 Z8 W! Y2. b 值为何? I: G3 z2 D: n8 m( e a. 16.6667 b. 16.6676 c. 16.6766! }8 Q$ M, j8 m* z& `7 w% o
3. c 值为何? - a) O" ~" U' }8 J, N a. 38.4696 b. 38.6494 c. 38.9446 7 s9 ?/ w2 i6 S f4. 蓝剖面线区域之面积为何? 5 N# }7 y9 ]- }: _& c a. 1067.3350 b. 1067.3305 c. 1067.3503