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发表于 2009-4-14 10:17:53
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来自: 中国香港
1. a 之弧长为何?+ S/ b+ a. Y/ Z( g3 L$ z& W
a. 58.9148 b, 58.9481 c. 58.9814
( c8 s4 u( ?3 W5 J9 z) z* H) O2. e 之弧长为何?
0 ^, O1 s# N; D6 p" U a. 41.5182 b. 41.5281 c. 41.5812
, l1 {7 ~9 T; c9 J! w% Q# J3. AD 之距离为何?
( i. F# n i7 l! a, n3 w a. 89.9067 b. 89.9607 c. 89.97066 e" Q1 ^8 v3 v
4. ∠ABC之角度值为何?; P3 O; P3 r3 P# E( F6 E
a. 35.2663° b. 35.6263° c. 35.6623°
/ X. g9 ^* C; T, c5. 蓝色剖面线区域之面积为何?
) e/ x4 d: G0 H- v a. 106.3238 b. 106.3382 c. 106.3823; p/ y. ^; ~" {: X
A5 j4 W; J/ W. G% F* y答案: cbabc
* @5 G) A6 O8 I. r& O
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