作业帮(78.6-0.786*25+75%*21.4)/15*2011
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/18 08:10:58
(78.6-0.786*25+75%*21.4)/15*2011
(78.6-0.786*25+75%*21.4)/15*2011
(78.6-0.786*25+75%*21.4)/15*2011
(78.6-0.786*25+75%*21.4)/15*2011
=（78.6-78.6x0.25+0.75x21.4）÷15x2011
=[78.6x(1-0.25)+0.75x21.4]÷15x2011
=(78.6x0.75+0.75x21.4)÷15x2011
=0.75x(78.6+21.4)÷15x2011
=0.75x100÷15x2011
=5x2011
=10055
(78.6-0.786*25+75%*21.4)/15*2011
=(78.6-78.6*0.25+0.75*21.4)/15*2011
=(78.6×0.75+0.75*21.4)/15*2011
=（78.6+21.4）×0.75/15*2011
=100×0.75/15*2011
=75/15*2011
=5/2011
10055
(78.6-0.786*25+75%*21.4)/15*2011=【78.6×（1-0.25）+21.4（1-0.25）】/15×2011
=（78.6-78.6×0.25+21.4-21.4×0.25）/15×2011=【（78.6+21.4）（1-0.25）】/15×2011
=（0.75×100）/15×2011=5×2011=10055
(78.6-0.786*25+75%*21.4)/15*1997
(78.6-0.786/25+75%/21.4)*15/2011
78.6—0.786*25+75%*21.4
(78.6-0.786*25+75%*21.4)/15*2011
(78.6－0.786×25＋75%×21.4)÷15×1997
(78.6-0.786*25+75%*21.4)/15*20的简算
(78.6-0.786*25+75%*21.4)*1997 如何计算?
78.6-0.786×25+75％×21.4）÷2001
简便运算（78.6—0.786×25+75%×21.4）÷15×2001
.（78.6—0.786×25+75%×21.4）÷15×2001=
(78.6——0.786乘以25+75%乘以21.4）除以15乘2001快
(78.6-0.786*25+0.75*21.4)/15*1997
(78.6-0.786*25+0.75*21.4)/15*1999
（78.6-0.786*25+0.75*21.4）/15*2001
简算(78.6-0.786*25+0.75*21.4)/15*2003
（78.6-0.786*25+0.75*21.4)除15*2001咋写？简便
78.6-0.786*25+0.75*21.4请大家看好题在回答,我没有/15*2001
78.6+0.214*25+75%*21.4简便计算