58*0.25+5.42/4怎么简算
问题描述:
58*0.25+5.42/4怎么简算
答
0.58/4+5.42/4=(0.58+5.42)/4=1.5
答
0.58*0.25+5.42/4
=0.58*1/4+5.42*1/4
=(0.58+5.42)*1/4
=6*1/4
=3/2