搜索
| 25×4= | 360÷36= | 0.3÷100= | 120×6= | 58﹣58= |
| 1000×0.013= | 48+32= | 84÷4= | 480÷60= | 3﹣1.4= |
| 0÷78= | 2.5+0.9= | 8.76﹣4.27= | 45×20= | 420+28= |
| 101×28= | 8×9+8= | 125×7×8= | 7×5÷7×5= | 10﹣2.3﹣2.7= |
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
