The image you uploaded shows a mathematical puzzle that appears to be a grid with various arithmetic operations (+, -, *, /) between cells. The puzzle likely involves filling in the grid with numbers to satisfy the equations given in the rows and columns.

To solve the puzzle:

1. Identify the Operations: Each row and column is connected by a specific arithmetic operation.
2. Determine Missing Values: You need to fill in the blanks with numbers that satisfy the arithmetic operations when combined with the given values.
3. Equation Solving: Use basic arithmetic operations (addition, subtraction, multiplication, division) to deduce the missing numbers based on the provided operations.

Step-by-Step Solution for Each Row/Column:

1. First Row (left to right): $39 + ? + ? + ? = ?$
2. Second Row: $-10 \times ? \times ? \times ? = ?$ And so on for each row and column.

Would you like a detailed step-by-step explanation for each row and column, or do you have any specific questions about solving this puzzle?

Relative Questions

1. How do you determine which operation to apply first when solving such puzzles?
2. What strategies can be used to deduce the numbers in the blanks if multiple possibilities exist?
3. How does solving the puzzle differ when there are multiplication or division operations compared to addition or subtraction?
4. What is the significance of the black squares in the grid?
5. How can you verify your solution once you have filled in all the blanks?

Tip

When solving grid puzzles, start with the rows or columns that have the most numbers or operations already provided, as they often give you a stronger foundation for deducing the remaining numbers.