65520 + 2520 =
18.48 + 2.31 =
129.68 + 16.21 =
10349.15 + 796.10 =
5012.15 + 385.55 =
4471.48 + 343.96 = 
41.0984 + 5.1373 = 

Here are the results for each of the additions:

1. **65520 + 2520 = 68040**
2. **18.48 + 2.31 = 20.79**
3. **129.68 + 16.21 = 145.89**
4. **10349.15 + 796.10 = 11145.25**
5. **5012.15 + 385.55 = 5397.70**
6. **4471.48 + 343.96 = 4815.44**
7. **41.0984 + 5.1373 = 46.2357**

Would you like more details or have any questions?

### Related Questions:
1. How to perform addition with decimals?
2. What are some tips for adding large numbers quickly?
3. How to estimate sums to check your work?
4. How do different rounding methods affect addition?
5. What are some common mistakes to avoid when adding decimals?

**Tip:** When adding numbers with decimals, align the decimal points to ensure accuracy.

65520 + 2520 =
18.48 + 2.31 =
129.68 + 16.21 =
10349.15 + 796.10 =
5012.15 + 385.55 =
4471.48 + 343.96 =
41.0984 + 5.1373 =

Learn how to solve various addition problems with whole numbers and decimals, including examples like 65520 + 2520, 18.48 + 2.31, and more. Suitable for Grades 3-5, this lesson covers basic arithmetic concepts, addition techniques, and aligning decimal points for accuracy.

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