
Huang Qiang is the owner of a cube (魔方) store in Changsha. Recently, using 560 cubes, he spent eight hours
“I want to show
Before leaving, Wang promised her daughter
Huang has also used cubes to make portraits of some famous medical workers who have fought
He started to play with cube puzzles during high school. Because
His record for solving a cube puzzle is 8 seconds, which is the
Although he majored in chemistry, Huang opened a cube store in Changsha after his
“I have strong support from my parents, who always tell me that I won’t know what is possible

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

