【进阶级练习题49】 - A! _/ W" S, B6 w! p- A5 s原创:Joseflin先生(台湾) 整理:SHAONX(上海)- F9 o5 p0 q$ }0 b8 L0 x K% Z F
7 @9 l" S' ` J: a' q6 _" `$ X求:' V7 P8 T. R N7 ]$ W* r
1. a 值为何? 6 Z; S3 G8 N) L: n! H7 a a. 49.8293 b.49.8329 c. 49.8392/ H/ r' @% [8 g
2. b 值为何? 8 Y% t; ?6 |7 Y! M. H a. 16.6667 b. 16.6676 c. 16.6766! p9 Y4 S& p! V) K
3. c 值为何? 4 J$ A# ?: y; N) k; e% @ a. 38.4696 b. 38.6494 c. 38.9446 " ?: j6 t; K3 D/ @, d7 z4. 蓝剖面线区域之面积为何?9 W" ]3 E- ?* }7 a' e3 t
a. 1067.3350 b. 1067.3305 c. 1067.3503