【进阶级练习题49】 & ?" W/ ^. v6 n @2 h原创:Joseflin先生(台湾) 整理:SHAONX(上海) 6 a) c0 [' e1 W+ P) n" j5 w7 B k , b0 P3 G/ [5 t7 ~" v# @& e求: & ?" Q4 T: Y" F& w" W) c2 K' v1. a 值为何? ^ \* I+ J" x a. 49.8293 b.49.8329 c. 49.8392 " N( U3 C1 h+ N8 w2. b 值为何?$ ], j4 @3 F6 a3 ^
a. 16.6667 b. 16.6676 c. 16.6766+ o6 P. e2 f$ X& C% J
3. c 值为何?+ ^7 x: e; Y O& y" B/ @5 v n
a. 38.4696 b. 38.6494 c. 38.94464 z x J2 c. h: S
4. 蓝剖面线区域之面积为何? t) H- }* q% A& E9 s4 t
a. 1067.3350 b. 1067.3305 c. 1067.3503