Solve Exercise 2 Page 68 in Math Book Grade 4

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Ngày cập nhật gần nhất: 15/4/2026

Solve Exercise 2 Page 68 in Math Book Grade 4 Practice, using the most convenient method.

Guidance for solving Exercise 2 Page 68 in Math Book Grade 4.

Problem: Calculate using the most convenient method: 134 x 4 x 5;

Find the product of 5, 36, and 2.

Calculate the product of 42, 2, 7, and 5.

b) Calculate (according to the pattern):

Calculate 145 times 2 plus 145 times 98.

Calculate the product of 145 and the sum of 2 and 98.

Find the product of 145 and 100, which equals 14,500.

Calculate 137 times 3 plus 137 times 97.

Determine the difference between 428 times 12 and 428 times 2.

94 multiplied by 12 plus 94 multiplied by 88

537 multiplied by 39 minus 537 multiplied by 19

Calculate the product of 42 multiplied by 2 multiplied by 7 multiplied by 5

Calculate the product of 537 and the difference between 39 and 19

Section solving exercises page 68 math 4, Practice consists of 4 exercises, Next part solve exercise 2 page 68 Math Textbook Grade 4. Mytour provides answer hints and detailed solution methods for Exercise 1 Page 68 Math Textbook Grade 4, Exercise 3 Page 68 Math Textbook Grade 4, and Exercise 4 Page 68 Math Textbook Grade 4, students need to grasp the knowledge of this lesson.

Frequently Asked Questions

What is the most convenient method to calculate 134 x 4 x 5?

To calculate 134 x 4 x 5 efficiently, you can first multiply 4 and 5 to get 20, then multiply 134 by 20. This simplifies the calculation to 134 x 20, resulting in 2,680.

How do you solve the expression involving 145 times 2 plus 145 times 98?

Yes, you can solve 145 times 2 plus 145 times 98 using the distributive property. This simplifies to 145 times (2 + 98), which equals 145 times 100, resulting in 14,500.

What is the method to find the product of 42, 2, 7, and 5?

To find the product of 42, 2, 7, and 5, you can multiply step by step. First, calculate 42 x 2 = 84, then 84 x 7 = 588, and finally 588 x 5 = 2,940.

Can you explain how to determine the difference between two multiplication results?

To determine the difference between 428 times 12 and 428 times 2, first calculate each product: 428 x 12 = 5,136 and 428 x 2 = 856. The difference is 5,136 - 856, which equals 4,280.

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