4×2= 3×9= 0×1= 24÷6= 3×5+3=
6×6= 9×5= 8×6= 0÷8= 8×7-8=
5×8= 7×8= 16÷4= 42÷6= 6×6+4=
54÷6= 3+0= 20+14= 36-7= 9×3-2=
2×2= 6×9= 81÷9= 21÷7= 0×7+7=
30+50= 3×5= 4×9= 9×9= 36÷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