E20250407答案

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weiye.wang 2024-06-19 22:51:12 +08:00
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1 changed files with 43 additions and 149 deletions

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usages ans
041231
$(1,0)$
004572 041232
20240619 2025届高二10班 0.967 $\dfrac{\pi}{4}$
041233
$(1,-2)$
004573 041234
20240619 2025届高二10班 0.967 $2$
041235
$0.5$
004574 041236
20240619 2025届高二10班 0.933 $\dfrac{16\pi}{3}$
041237
$2$
004575 041238
20240619 2025届高二10班 0.667 $\dfrac{1}{6}$
041239
$0.03$
004576 041240
20240619 2025届高二10班 0.900 $\dfrac{1}{3}$
041241
$10$或$11$
004577 041242
20240619 2025届高二10班 0.917 $\dfrac{4\pi}{3}$
041243
A
004578 041244
20240619 2025届高二10班 0.700 D
041245
C
004572 041246
20240619 2025届高二03班 1.000 D
041247
(1) $a_1=10$, $d=11$; (2) $44$
004573 041248
20240619 2025届高二03班 1.000 (1) $\dfrac{\pi}{3}$; (2) $\dfrac{\sqrt{3}}{3}$
041249
(1) $3$; (2) $30$; (3) $32$
004574 041250
20240619 2025届高二03班 0.976 (1) 证明略; (2) $\arccos\dfrac{1}{3}$; (3) 总长为$2a$, 经过四条棱的中点的空间四边形, 理由略
004575
20240619 2025届高二03班 0.793
004576
20240619 2025届高二03班 0.951
004577
20240619 2025届高二03班 1.000
004578
20240619 2025届高二03班 0.866
004572
20240619 2025届高二04班 0.971
004573
20240619 2025届高二04班 0.971
004574
20240619 2025届高二04班 0.971
004575
20240619 2025届高二04班 0.571
004576
20240619 2025届高二04班 1.000
004577
20240619 2025届高二04班 1.000
004578
20240619 2025届高二04班 0.657
004572
20240619 2025届高二05班 0.951
004573
20240619 2025届高二05班 0.780
004574
20240619 2025届高二05班 0.951
004575
20240619 2025届高二05班 0.585
004576
20240619 2025届高二05班 0.805
004577
20240619 2025届高二05班 1.000
004578
20240619 2025届高二05班 0.927
004572
20240619 2025届高二07班 1.000
004573
20240619 2025届高二07班 0.930
004574
20240619 2025届高二07班 0.860
004575
20240619 2025届高二07班 0.616
004576
20240619 2025届高二07班 0.860
004577
20240619 2025届高二07班 1.000
004578
20240619 2025届高二07班 0.721
004572
20240619 2025届高二09班 0.914
004573
20240619 2025届高二09班 0.971
004574
20240619 2025届高二09班 0.886
004575
20240619 2025届高二09班 0.729
004576
20240619 2025届高二09班 0.914
004577
20240619 2025届高二09班 0.929
004578
20240619 2025届高二09班 0.629
041251
$(\pm\sqrt{3},0)$; (2) 存在, $\lambda=\dfrac{23}{9}$, 定值为$\dfrac{80}{3}$; (3) 如$S$在直线$x=1$上, 证明略