245﹣65﹣35 | 186+82+18﹣86 | 25×(4×27) | 8×(25+20) |
24×56+44×24 | 700÷4÷25 | 389﹣(289+27) | 562+306 |
432﹣205 | 125×24×8×3 | 72×99 | 42×102 |
42×19+42 | 36×101﹣36 | 36×46+36×36+36×18 | 179﹣64﹣36+21 |
47×121﹣21×47 | 25×36 |

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

