Solving Exercise 1 Page 43-44 Mathematics 4

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Ngày cập nhật gần nhất: 15/4/2026

Solving Exercise 1 on pages 43-44 Mathematics 4 - Expressions with three variables, Calculate the value of a + b + c if:

Guidance for solving Exercise 1 on pages 43-44 Mathematics 4

Problem:
Calculate the value of a + b + c if:
a) a = 5, b = 7, c = 10; b) a = 12, b = 15, c = 9;

Solution Method:
In this exercise, students simply need to substitute the values of a, b, c into the expression a + b + c, calculate carefully to find the most accurate answer.

Answer:
a) Substitute values: a = 5, b = 7, c = 10, we get: a + b + c = 5 + 7 + 10 = 22;
b) Substitute values: a = 12, b = 15, c = 9, we get: a + b + c = 12 + 15 + 9 = 36;

Mytour has just guided the solution to Exercise 1 on pages 43-44 of Mathematics 4. Additionally, we suggest solving Exercise 2 on pages 43-44 of Mathematics 4, Exercise 3 on pages 43-44 of Mathematics 4, and Exercise 4 on pages 43-44 of Mathematics 4 using the same method. Let's explore the guide to solving exercises on pages 43-44 of Mathematics 4 to excel in the 4th-grade math subject!

Frequently Asked Questions

What steps are involved in solving expressions with three variables?

To solve expressions with three variables, substitute the given values of each variable into the expression. Then perform the arithmetic operations to calculate the final result accurately.

How do you calculate the expression a + b + c using given values?

To calculate a + b + c, simply replace a, b, and c with their respective values. For example, if a = 5, b = 7, and c = 10, then a + b + c equals 22.

What is the total value when a = 12, b = 15, and c = 9?

The total value when a = 12, b = 15, and c = 9 is 36. This is calculated by substituting the values into the expression: a + b + c = 12 + 15 + 9.

What additional exercises are suggested in this section?

This section suggests solving additional exercises, specifically Exercise 2, Exercise 3, and Exercise 4, all found on pages 43-44 of the Mathematics 4 textbook, using the same substitution method.

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