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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?
) M+ w4 V) U, a a. 58.9148 b, 58.9481 c. 58.9814
; A( ~0 a$ N0 j. M. p2. e 之弧长为何?
. |3 `( m- M4 h5 U1 a a. 41.5182 b. 41.5281 c. 41.5812: n% [& c: A; r! b7 a8 D4 k
3. AD 之距离为何?* m% I. A2 G0 S& E1 `" b
a. 89.9067 b. 89.9607 c. 89.9706, X. v( u/ N1 E& N }, F0 V1 W
4. ∠ABC之角度值为何?
$ p' B& G+ o, [/ m9 D; m a. 35.2663° b. 35.6263° c. 35.6623°
9 F* I4 L8 P( W- T& K' x5. 蓝色剖面线区域之面积为何?/ p$ W* B) A+ E
a. 106.3238 b. 106.3382 c. 106.38238 ?1 p0 t! R" O" {1 H
! c* G1 @) e. e# L, \% `) \
答案: cbabc
7 ~ v2 M" ?6 k
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