27.8乘0.25+71.2乘5.64+5.64

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/05 14:08:30

27.8乘0.25+71.2乘5.64+5.64
简便计算

27.8*0.25+71.2*5.64+5.64
=27.8*0.25+5.64*(71.2+1)
=27.8*0.25+72.2*5.64
=27.8*0.25+72.2*(0.25+5.39)
=27.8*0.25+72.2*0.25+72.2*5.39
=0.25*100+72.2*5.39
=25+389.158
=414.158

27.8乘0.25+71.2乘5.64+5.64 乘 64乘0.125乘0.5乘0.25 3.4乘7乘1.5 0.8乘0.25乘0.4乘12.5的简便运算 14.72乘12.5乘3.2乘0.25简便运算 1.25乘0.25乘60乘16怎样简便计算 1.25 乘0.25乘61乘16的简便计算 . 0.125乘0.25乘8乘4怎么简便计算 38乘四分之一+17乘0.25加45乘25％ 0.125乘0.25乘0.5乘0.64怎么简算? 0.5乘0.25乘0.125乘64这倒奥数题怎么解答 1.25乘0.25乘3232乘9.1等于多少