-5又1/2的绝对值×(1/3-1/2)×3/11÷(1-1/4)=5.5×(-1/6)×3/11÷3/4=-11/12×3/11÷3/4=-1/4×4/3=-1/3
-5又1/2的绝对值×(1/3-1/2)×3/11÷(1-1/4)=11/2×(-1/6)×3/11×4/3=-1/2×1/6×4=-1/3