5+5*59+12-45+1111等于多少
问题描述:
5+5*59+12-45+1111等于多少
答
5+5*59+12-45+1111
=5*59-5*9+5+12+1111
=5*(59-9)+17+1111
=5*50+1128
=250+1128
=1378