【1.9+19%乘以（4.8-2.4）】除以（53乘以0.25+30.6乘以0.25）=?

分类: 作业答案 • 2022-01-03 09:50:33

问题描述：

答

[1.9+19%*(4.8-2.4)]/(53*0.25+30.6*0.25)
=(1.9+0.19*2.4)/(53*0.25+30.6*0.25)
=1.9*(1+0.24)/[025*(53+30.6)]
=1.9*1.24/(0.25*83.6)
=2.356/20.9

答

1.9*(1+0.24)/【0.25*（53+30.6）】
=1.9*1.24/(83.6/4)
=2.356/20.9
=0.11272727

答

【1.9+19%乘以（4.8-2.4）】除以（53乘以0.25+30.6乘以0.25）
=【1.9*(1+0.24)】/【0.25*（53+30.6）】
=1.9*1.24/(83.6/4)
=2.356/20.9
=0.1127272727.