Solve Exercise 4 Page 40 Math 4 Textbook

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Ngày cập nhật gần nhất: 15/4/2026

Solve Exercise 4 Page 40 Math 5 Textbook in Subtraction, how many trees were planted by students in that province over the two years?

Instructions for solving Exercise 4 Page 40 Math 4 Textbook

Problem:
This year, students in a mountainous province planted 214,800 trees, which is 80,600 less than last year. How many trees were planted by students in that province over the two years?

Solution Method:

- Given Quantities:

+ Number of trees planted this year: 214,800 (trees)

+ Number of trees planted last year: 80,600 fewer than this year (trees)

- Quantity to Find: Total number of trees planted by students over the two years.

- Method:

+ Step 1: Calculate the number of trees planted last year = Number of trees planted this year - Number of trees planted fewer last year.

+ Step 2: Calculate the total number of trees planted over the two years = Number of trees planted last year + Number of trees planted this year.

Answer:
The number of trees planted by students last year is:
214,800 - 80,600 = 134,200 trees.
Therefore, the total number of trees planted by students over the two years is:
214,800 + 134,200 = 349,000 trees.
The answer is: 349,000 trees.

The solution for Exercise 4 on page 40 Math 4 Textbook consists of 4 exercises. After solving exercise 4 on page 40 Math 4 Textbook, please continue to see hints and methods for solving Exercise 1 on page 40 Math 4 Textbook, Exercise 2 on page 40 Math 4 Textbook, and Exercise 3 on page 40 Math 4 Textbook to improve your understanding of Grade 4 Mathematics.

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