1993分之9.6乘以89加上25乘以1993分之1103乘以24
=0.96x10x89/1993+0.96x1103/1993
=0.96x(890+1103)/1993
=0.96x1993/1993
=0.96x1
=0.96怎么是0.96？为什么？不可能是小数吧24/25=0.96呀