简便计算0.27*0.54+0.378/1.4*0.46
问题描述:
简便计算0.27*0.54+0.378/1.4*0.46
答
0.27*0.54+0.378/1.4*0.46
=0.27*0.54+0.27*0.46
=0.27*(0.54+0.46)
=0.27