①一只东北虎的体重360千克,是一只鸵鸟的4倍。一只鸵鸟重多少千克? | ②三年级同学去参观植物园,学生票每张是4元,360人共需多少钱? |
③面包1号店周日共制作了360个羊角面包,每4个装一盒,一共可以装几盒? | ④奇奇绕着花坛走一图,4分钟走了360米,他平均每分钟走了几米? |
A.①②③④ | B.只有①②③ | C.只有①③④ | D.只有①④ |
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