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This page contains several exercises related to integer addition and subtraction, as well as questions about number lines and patterns. Here's an overview and solutions for the problems you provided:

### Problem 1: Integer addition and subtraction
You are asked to calculate the results of four expressions involving integers.

1. \((-25) + (-36) = -61\)
2. \(160 + (-254) = -94\)
3. \((-177) + 185 = 8\)
4. \((-23) + 23 = 0\)

### Problem 2: Number Line Movement
The question asks to determine the position of point \( B(b) \) if point \( A(-78) \) moves 25 units to the right. Moving right on the number line means adding 25 to \(-78\):

\[
-78 + 25 = -53
\]

So, the correct answer is \( D) -53 \).

### Problem 3: Integer Pattern with Calculator (+(-5) repeatedly)
Starting with the number 13, each time the number decreases by 5. You are asked to fill in the numbers in the blanks.

1. \(13 + (-5) = 8\)
2. \(8 + (-5) = 3\)
3. \(3 + (-5) = -2\

Exercises related to integer addition and subtraction, number line movements, and integer patterns with a calculator.

This exercise covers integer addition and subtraction, number line movements, and patterns with a calculator. Learn how to solve problems such as (-25) + (-36) = -61 and find points on the number line. Suitable for students in Grade 5-7.

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