1/8*1/2+0.125*1/2+0.5
来源：学生学帮网 编辑：学帮网 时间：2024/06/03 13:45:15
1/8*1/2+0.125*1/2+0.5
1/8*1/2+0.125*1/2+0.5
=1/8*1/2+1/8*1/2+0.5
=1/8*(1/2+1/2)+1/2
=1/8 +4/8
=5/8
1/8*1/2+0.125*1/2+0.5
1/8*1/2+0.125*1/2+0.5
=1/8*1/2+1/8*1/2+0.5
=1/8*(1/2+1/2)+1/2
=1/8 +4/8
=5/8