5×0.04= 0.08+0.92= 2.8÷7=
22.2÷111= 7÷0.1= 3-1.9-1.1=
2+1.96+0.04= 0.2×5×7= 2.2+3.3=
4-0.65-0.35= 2.7÷0.3= 8.7÷0.5÷2=
1.5÷5= 1.68-1.6=
5.6-3.6= 0.27+0.73=
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