MathematicsBeginner

Rewriting and rounding

Rewriting uses =, rounding uses ≈

Estimated time · 8 min 11 Content blocks

Core concepts

Formulas

30000=3 万,32500≈3 万30000 = 3\text{ 万},\qquad 32500 \approx 3\text{ 万}

Worked example

Example
Solution

Worked example

Worked examples
Example
Solution steps
  1. 1
  2. 2
  3. 3
Answer

Worked example

Worked examples
Example
Solution steps
  1. 1
  2. 2
  3. 3
Answer

Worked example

Worked examplesVariant 1
Example
Solution steps
  1. 1
  2. 2
  3. 3
Answer

Worked example

Worked examplesVariant 1
Example
Solution steps
  1. 1
  2. 2
  3. 3
Answer

Exercises

Fill in the blank

Common misconceptions

Prerequisites

Practice set
Answered 0 / 6
1Fill in the blank

Tip

2Fill in the blank

Tip

3Fill in the blank

Tip

4Fill in the blank

Tip

5Fill in the blank

Tip

6Fill in the blank

Tip

Results are not saved — this session disappears when you leave.
AI DO LEARN

Science, made explorable.

5 Disciplines·6 Levels·647 Knowledge points

© 2026 AI DO LEARN. All rights reserved.

Original explanations, diagrams and code may not be republished without permission; please credit the source when quoting.