2.7÷0.01= 5÷0.25= 3.5×0.4= 2.32×0.3=
2.4×0.5= 0.6+3.7+0.4= 32÷64= 1.25×0.8=
5+2.5+7.5= 1-0.06= 2×0.4÷2×0.4= 6.6÷0.11=
2.5×1.3×4= 4-0.16-1.84= 22+42= 1.2÷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