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3.6＋4.4 = 10－ 5.2 = 3.4 × 0.2= 7.8÷ 6=
1÷4 = 7.5÷0.3 = 9.8－ 8 = 0÷27.9=
6.5 ×0.2= 0.1×0.5= 13.2＋6.8= 0.15÷15=
2＋3.8= 9－4.5= 0.42×3= 11＋0.92=
4÷5= 1.8÷0.03= 75÷2.5= 0×25.4=
0.125×1.8= 7.24—2.4= 17.2÷17.2= 0.99×0.1=
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
