200×0.04= | 3.5×0.1= | 3.6÷0.09= | 12÷1.2= |
0.42÷0.6= | 3.2×0.5= | 0.21×0.3= | 2.5×1.4= |
9﹣2.7= | 7.5+9.2= | 2.6×0.3= | 16﹣0.9= |
4.5÷0.9= | 8.5×10= | 5.2÷0.2= | 1.2×6= |
7.9÷0.1= | 7.6×4= | 4.5÷3= | 0.65÷0.1= |
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