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| ⑴15﹣0.3= | ⑵6﹣0.5= | ⑶3.9+12.1= | ⑷2.13+14= | ⑸0.91+1.25= |
| ⑹10﹣0.76= | ⑺3.99﹣0.9= | ⑻0.567+4.44= | ⑼0.37+0.6= | ⑽7.46+2.54= |
| ⑾1﹣0.08= | ⑿45.9+1= | ⒀6.87﹣3.25= | ⒁0.25+0.75= | ⒂0.78+0.22= |
| ⒃6.1﹣5.7= | | |||
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
