巧算:(25+2.5+0.25)*4
问题描述:
巧算:(25+2.5+0.25)*4
答
=25*4+2.5*4+0.25*4
=100+10+1
=111
巧算:(25+2.5+0.25)*4
=25*4+2.5*4+0.25*4
=100+10+1
=111