① 1.5×﹙6×-6﹚+2-5

②2.58×3-2+﹙﹣6﹚

③ 10×-5+2-69+﹙﹣25﹚

④3+2-﹙﹣2﹚×9-6

⑤360﹢2586÷2+﹙-6664﹚

One-dimensional linear equation

①3y+69y-2÷3=69

②4y-6+8 = 10

③9y+6-9=65

④60y-58=60+2

⑤4y-50+﹙﹣6﹚=-60

Simplify the evaluation problem

①3y+6w-5y+29w+36a

②6y-25y+ 14y-56w+2a-5w+2y

③66y-56w+2a+28y-59a

④33y+34w-5a-56w

⑤ 124 1w+59y-596 a+5856 a-5986y

There is no answer, just bear it.