3. For each of the multiplication problems in this exercise, describe a way to make the problem easy to solve mentally. Then write equations that correspond to your method of calculation. Write your equations in the following form: 25 x 25= some expression some expression = In each case, state which properties of arithmetic you used, and indicate where you used those properties.
3. For each of the multiplication problems in this exercise, describe a way to make the problem easy to solve mentally. Then write equations that correspond to your method of calculation. Write your equations in the following form: 25 x 25= some expression some expression = In each case, state which properties of arithmetic you used, and indicate where you used those properties.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
![3. For each of the multiplication problems in this exercise, describe a way to make
the problem easy to solve mentally. Then write equations that correspond to your
method of calculation. Write your equations in the following form:
25 x 25 = some expression
some expression
In each case, state which properties of arithmetic you used, and indicate where
you used those properties.
a. 24 x 25
b. 25 × 48
c. 51x6](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0c632cfd-39c7-4eb0-a67d-5bfeea3cdc20%2Fa89e3375-b268-4c96-b614-5fa91b958806%2F64t4itb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. For each of the multiplication problems in this exercise, describe a way to make
the problem easy to solve mentally. Then write equations that correspond to your
method of calculation. Write your equations in the following form:
25 x 25 = some expression
some expression
In each case, state which properties of arithmetic you used, and indicate where
you used those properties.
a. 24 x 25
b. 25 × 48
c. 51x6
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