59-9= 16+70= 68-18= 76-26= 54-24=
11+48= 81-31= 7+72= 50+40= 99-9=
46+12= 91-50= 65+14= 20+49= 45-30=
43+6= 56-16= 69-8= 50-8= 23+15=
72+23= 53-23= 30+65= 17+12= 48-6=
21+38= 92-22= 74-24= 14+75= 41+8=
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