https://file.aiquickdraw.com/mathbot/file/1726527015455s426tupj.jpg

Let's solve the two questions visible in the image:

### Question 15:
\[
532 + 678 + 984 - 357
\]

1. Add the first three numbers:
\[
532 + 678 = 1210
\]
\[
1210 + 984 = 2194
\]

2. Subtract 357 from 2194:
\[
2194 - 357 = 1837
\]

So, the answer to **15** is:
\[
1837
\]

---

### Question 16:
\[
23.54 - 17.28 + 34.21
\]

1. Subtract 17.28 from 23.54:
\[
23.54 - 17.28 = 6.26
\]

2. Add 34.21 to 6.26:
\[
6.26 + 34.21 = 40.47
\]

So, the answer to **16** is:
\[
40.47
\]

---

Would you like more detailed explanations or have any questions? Here are five related questions for practice:

1. What is \( 850 + 643 - 120 \)?
2. Simplify \( 19.45 + 25.34 - 12.56 \).
3. Calculate \( 763 + 912 - 485 \).
4. What is \( 45.67 - 34.12 + 78.23 \)?
5. Find \( 123 + 456 + 789 - 321 \).

**Tip:** When dealing with multiple additions and subtractions, always solve step by step to avoid mistakes!

532 + 678 + 984 - 357 and 23.54 - 17.28 + 34.21

Learn how to solve the addition and subtraction problem 532 + 678 + 984 - 357 and the decimal operation 23.54 - 17.28 + 34.21. Suitable for students in Grades 4-6, this step-by-step explanation simplifies multi-step arithmetic calculations.

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