(1)1 - 0.08 (2)54+46 (3)7÷ (4)+
(5)15× (6)2.2 ÷1.1 (7)0.4×2.5 (8)575- 432
(9)÷4 (10)6.7-5.8 (11)3.5÷0.5 (12)×
(13)- (14)32÷ (15)4.75+5.25 (16)×55+55×
(17)10-0.07 (18)÷4 (19)×28× (20)(+)×12
(21)2.97×10 (22)10- (23)0.72÷0.9 (24)+
(25)60×25% (26)15.6-0.6 (27)60×50 (28)4.3-3.5+5.7
(29) 640÷80 (30) 3.9÷13 (31)-÷ (32)×+×
同类型试题
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
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