5+30= 45-3= 24+5= 49-30= 59+4=
35-2= 4+54= 35+30= 59-20= 30-9=
53-40= 5+21= 43+4= 57+20= 60-6=
72+6= 87-10= 4+55= 85-50= 49+8=
66-3= 40+50= 73+6= 6+36= 52-9=
51-20= 60+11= 3+22= 9+52= 28+9=

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

