( )+5=6 ( )+4=7 3+( )=7 ( )+2=5
4+( )=6 ( )+7=7 ( )+6=7 1+( )=6
6+( )=6 ( )+2=7 ( )-3=4 3+( )=7
2+5= 3+2= 3+4= 3+4=
3+2= 5+1= 0+6= 3+1=
5+1= 5+2= 5+1= 6+1= 4+3=
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