简便计算 1-0.225除以0.9-0.75

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简便计算1-0.225除以0.9-0.75简便计算1-0.225除以0.9-0.75简便计算1-0.225除以0.9-0.751-0.225÷0.9-0.75=1-0.25-0.75=1-(0.25+

简便计算 1-0.225除以0.9-0.75
简便计算 1-0.225除以0.9-0.75

简便计算 1-0.225除以0.9-0.75
1-0.225÷0.9-0.75
=1-0.25-0.75
=1-(0.25+0.75)
=1-1
=0

1-0.225/0.9-0.75=(1-0.75)-0.225/0.9=0.25-0.25*0.9/0.9=0

=1-0.75-0.225/0.9
=0.25-(0.9*0.25)/0.9
=0.25-0.25
=0
这样不是更简单么