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解锁解决方案步骤
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Basic αβγ ABΓ sincos ≥÷→ x ℂ∀ ∑ ∫ ∏ (

☐☐☐☐

) H2O


☐2 x☐ √☐ □√☐ □□  log□ π θ ∞ ∫ ddx 

≥ ≤ · ÷ x◦ (☐) |☐| (f ◦ g) f(x) ln e☐ (☐)′ ∂∂x  ∫□□ lim ∑ sin cos tan cot csc
sec

α β γ δ ζ η θ ι κ λ μ ν ξ π ρ σ τ υ ϕ χ ψ ω

A B Γ Δ E Z H Θ K Λ M N Ξ Π P Σ T ϒ Φ X Ψ Ω

sin cos tan cot sec csc sinh cosh tanh coth sech arcsin arccos arctan arccot
arcsec arccsc arcsinh arccosh arctanh arccoth arcsech

{

☐☐

  {

☐☐☐

  = ≠ ÷ · × < > ≤ ≥ (☐) [☐] ▭ |▭ ×▭▭ +▭▭ −▭▭ ☐! x◦ → ⌊☐⌋ ⌈☐⌉

☐ ⃗ ☐ ∈ ∀ ∉ ∃ ℝ ℂ ℕ ℤ ∅ ∨ ∧ ¬ ⊕ ∩ ∪ ☐c ⊂ ⊆ ⊃ ⊇

∫ ∫∫ ∫∫∫ ∫☐☐ ∫☐☐∫☐☐ ∫☐☐∫☐☐∫☐☐ ∑ ∏ lim limx→∞ limx→0+ limx→0− ddx  d2dx2  (☐)′
(☐)′′ ∂∂x 

(2×2) (2×3) (3×3) (3×2) (4×2) (4×3) (4×4) (3×4) (2×4) (5×5)

(1×2) (1×3) (1×4) (1×5) (1×6) (2×1) (3×1) (4×1) (5×1) (6×1) (7×1)



弧度 角度 ☐! ( ) % 清除 arcsin sin √☐ 7 8 9 ÷ arccos cos ln 4 5 6 × arctan tan log 1 2
3 − π e x☐ 0 . = +




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