A.1m长的铁棒重15.6kg,1.2m长的铁棒重多少千克? |
B.用1.2升的油漆可以涂15.6平方米,涂1平方米需要油漆多少升? |
C.红色胶带长15.6cm,白色胶带的长度是红色胶带的1.2倍,求白色胶带的长度。 |
D.把长15.6m的丝带截成每段长1.2m的小段,可以截成几段? |
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