A.仓库里有5吨苹果,第一次运走吨后,第二次又运走吨,还剩多少吨苹果? |
B.仓库里有5吨苹果,第一次运走吨后,第二次又运走余下的,还剩多少吨苹果? |
C.仓库里有5吨苹果,梨的质量比苹果的少,运走吨梨后,还剩多少吨梨? |
D.仓库里有5吨苹果,梨的质量比苹果的还少吨,有多少吨梨? |
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