0÷0.16= 7-6.78= 0.9+9.1= 5.3÷0.1=
0.15×5×2= 2.7÷0.3= 1.59-1.5= 0.27+7.73=
10.2-1.9= 0.88-0.6= 1.25×0.4= 1.4÷100=
0+8.76= 8.6×100= 2.5÷10= 8-2.65=
2.8÷0.07= 8-2.9-1.1= 299+335= 7.5÷0.5÷2=
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