小明用三种颜色的橡皮泥捏成一只长颈鹿.
橡皮泥的颜色 | 红色 | 黄色 | 黑色 |
橡皮泥的质量(千克) |
(1)捏成的这只长颈鹿重多少千克?
(2)哪种颜色的橡皮泥用的最多?哪种颜色的橡皮泥用的最少?这两种颜色的橡皮泥相差多少千克?
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