1.75-(-3/8)+(0.5)-(-5/6) +4又2/3)-1/8
问题描述：
1.75-(-3/8)+(0.5)-(-5/6) +4又2/3)-1/8
应该是这样才对 1.75—[（-3/8）+（-0.5）-（-5/6）+4又2/3 ]-1/8
答
1.75+（3/8）+0.5+（5/6）+4又2/3- 1/8
=2.25+2/8+5/6+28/6
=9/4+1/4+33/6
=10/4+33/6
=30/12+66/12
=96/12
=8