(1)一把玩具枪的价钱比一辆玩具坦克便宜4元,小亮买了一辆玩具坦克和一把玩具枪,一共用了多少元?
(2)一辆玩具坦克的价钱是一个玩具熊的多少倍?
(3)小明带了100元,买了一辆玩具坦克和一个布娃娃,剩下来的钱够买一个玩具熊吗?
(4)玲玲带了60元,买8个玩具熊够吗?
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