18.2-6.2= 0.86+0.14= 4.4×0.5= 2.4÷0.8=
366+104= 0.55×100= 6÷60= 10-9.6=
5×2.06= 32.2÷2= 2-1.96-0.04= 4.58+0.75+0.25=
2.5÷10= 5.66-3.64= 9.7+0.03= 0×2.9=
5.8×100= 9÷100= 485-399= 15.26+4.4+5.6=
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