12÷6= 12÷2= 12÷4=
9÷9= 6÷3= 10÷2=
12÷3= 9÷3= 6÷6=
24÷6= 30÷5= 16÷4=
3×4= 5×5= 6×6=
24÷4= 25÷5= 36÷6=
3×2= 2×5= 3×4=
6÷2= 14÷2= 24÷3=
24÷8= 10÷5= 24÷6=
5×3= 5×6= 6×4=
15÷3= 30÷6= 24÷4=
15÷5= 30÷5= 24÷6=
7×8= 8×9= 7×9=
56÷7= 72÷8= 63÷7=
56÷8= 72÷9= 63÷9=
6×7= 9×6= 6×5=
42÷6= 54÷6= 30÷5=
42÷7= 54÷9= 30÷6=
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