0+6= 1÷0.04= 4.5×20= 0.42÷0.6=
100÷200= 0.56÷8= 7.5÷5= 0.125×0.8=
0.25×0.4= 6.5÷0.1= 4.6+2.4= 0.4÷5=
7÷100= 8.9-0= 1.8÷3= 4.2÷30=
2×2.5= 6.4÷0.2= 3÷0.6= 0.49÷0.7=
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