Solving Exercise 4 on Page 100 of Math 4 Textbook

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Ngày cập nhật gần nhất: 15/4/2026

Solving exercise 4 on page 100 of Math 5 textbook, In Square Kilometers, Among the following numbers, choose the appropriate measurement:

Guide to solving exercise 4 on page 100 of Math 4 textbook

Solution method:
- Among the 3 units of measurement cm²; dm²; m²: The largest unit of measurement is m² => The area of the classroom must be measured in m²
- Similarly, among the 3 units of measurement m²; dm²; km²: The largest unit of measurement is km² => The area of Vietnam is a large quantity, it needs to be measured in km².

Answers:
a) Choose classroom area: 40m².
b) Vietnam's water area: 330,991km².

Section solving math problems for 4th grade page 100 consists of 4 exercises, after solving exercise 4 on page 100 of Math 4 Textbook, students can refer to hints and methods for solving Exercise 1 on Page 100 of Math 4 Textbook, Solving Exercise 2 on Page 100 of Math 4 Textbook and Solving Exercise 3 on Page 100 of Math 4 Textbook, to improve their math skills in 4th grade!

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