Question

5+5×[5+2×(5+25×1-24:4)]=

Answer 1

$\displaystyle 5+5 \times [5+2 \times (5+25 \times 1-24:4)]= \\ \\ =5+5 \times [5+2 \times (5+25-6)]=5+5 \times [5+2 \times (30-6)]= \\ \\ =5+5 \times(5+2 \times 24)=5+5 \times (5+48)=5+5 \times 53=5+265=270$