学进去-教育应平等而普惠
试题
类型:英译汉
难度系数:0.64
所属科目:小学英语
读一读,写出汉语意思。(32分)
(1)Chinese book________
(2)English book________
(3)math book________
(4)schoolbag________
(5)story­book________
(6)notebook________
(7)may________
(8)sure________
(9)here you are ________
(10)sorry________
(11)twenty­one________
(12)thirty________
(13)thirty­one________
(14)forty________
(15)forty­one________
(16)fifty________
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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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