学进去-教育应平等而普惠
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类型:填空题
难度系数:0.65
所属科目:小学语文
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(jiào jiāo)书                      没(méi mò)                      (wéi wèi)                      (dé de)
(fà fā)带                           (dōu dū)市                       (hǎo hào)                    (fèn fēn)
(le liǎo)却                         (chóng zhòng)复               (jiē jié)束
(háo hào)                       (gān gàn)净                      (dàng dāng)天
(xiě xuè)淋淋                      (yā ya)                       (mēn mèn)
(shèng chéng)饭                  (zhuàn zhuǎn)圈             (na nǎ)里
(pù pū)开                           (cháng chǎng)               (cháo zhāo)向
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

用户名称
2019-09-19

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

用户名称
2019-09-19
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