1.4×5= 9.8+2.9= 4.3-2.7= 0.25×4 0.4÷8=
8÷0.02= 23.7-7= 5.4÷6= 1.1×0.8= 4.5+3.8=
0.84×100= 8×12.5= 0.5×2.6= 6.4÷10= 8÷0.5=
3.6÷9= 0.48÷0.04= 2.4÷0.06= 17.3+2.7= 2÷0.5=
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