3.75-[(-3/8)+(-1/2)-(-5/6)+4又2/3]-0.125要步骤
问题描述：
3.75-[(-3/8)+(-1/2)-(-5/6)+4又2/3]-0.125要步骤
答
3.75-[(-3/8)+(-1/2)-(-5/6)+4又2/3]-0.125
=3.625-[-(3/8+1/2)+5/6+14/3]
=3.625-(11/2-7/8)
=3.625-37/8
=3.625-4.625
=-1