这道题都几难下,那位能难解呢?
3 `/ W2 _- r3 e$ E% c3 t5 T: e1. a 值为何?
( b8 M: ~; H8 Y* z# o5 v& m a. 49.8293 b.49.8329 c. 49.8392; c) Z H- t- m8 D3 X
2. b 值为何?1 E% \. w x# x5 k$ b% D; a
a. 16.6667 b. 16.6676 c. 16.6766
! S+ |# a8 e5 A4 u+ Y7 b3. c 值为何?
+ @4 _: F8 l1 \0 e& N* O; P5 S a. 38.4696 b. 38.6494 c. 38.94460 @3 O: m' a% J D4 E
4. 蓝剖面线区域之面积为何?
1 @% H4 M9 z e+ ] a. 1067.3350 b. 1067.3305 c. 1067.3503: i4 k; p# S' G, a, m
' x. ], f o/ q) ~) K L+ e
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