9-2= 1+6= 10-7= 3+4= 10+0=
9-9= 10+9= 17-7= 8+5= 6+7=
19-0= 8+9= 8-8= 7+5= 6+9=
20-10= 2+9= 9+9= 16-6= 3+8=
10-5+4= 6+2+10= 8-8+7= 10-2+2=
7-3+8= 9-8+2= 8-7+7= 9+5-4=
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