9.63÷3= 7-0.23= 4.8÷0.3= 7.2-0.8=
1.4×0.5= 29÷100= 6.3÷0.7= 6+2.4=
12.5×8= 8.9×0= 0.78÷3= 0.35÷0.5=
9.36÷0.9= 100÷0.4= 0.81+0.09= 0.4×0.9=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
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