48+[25−{20−(11−16÷2×4)}]= ?

Sure, let's break it down step by step:

1. Solve the operation inside the innermost parentheses first: 16 ÷ 2 × 4 = 8 × 4 = 32
2. Substitute the result back into the equation: 48 + [25 - {20 - (32)}]
3. Solve the operation inside the parentheses: 20 - 32 = -12
4. Substitute the result back into the equation: 48 + [25 - (-12)]
5. Solve the operation inside the brackets: 25 - (-12) = 25 + 12 = 37
6. Substitute the result back into the equation: 48 + 37
7. Finally, solve the remaining operation: 48 + 37 = 85

So, 48+[25−{20−(11−16÷2×4)}] = 85