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30 de zile pentru retur bunuri
I. The Approach to Mathematics 1. The Dread of Mathematics 2. Geometry—The Science of Furniture and Walls 3. The Nature of Reasoning 4. The Strategy and Tactics of Study II. On Certain Parts of Mathematics 5. Arithmetic 6. How to Forget the Multiplication Table 7. Algebra—the Shorthand of Mathematics 8. Ways of Growing 9. Graphs, or Thinking in Pictures 10. Differential Calculus—the Study of Speed 11. From Speed to Curves 12. Other Problems of Calculus 13. Trigonometry, or How to Make Tunnels and Maps 14. On Backgrounds 15. The Square Root of Minus One