搜索
①4x﹣0.5x=0.7 ②3.5×6﹣3x=11.4
③5（x﹣3）=2 ④x+2.5=4.8
⑤4.5x+3.5x=64.8 ⑥1.4x+9.8=22.4
⑦2（x﹣3）=11.6 ⑧13x﹣x=144
⑨68﹣4.4x=24． ⑩7x÷3=8.19．
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
