简便计算0.94×2.05-0.45

问题描述:

简便计算0.94×2.05-0.45

(1) 0.94x2.05-0.45
=(1-0.06)×2.05-0.45
=2.05-0.123-0.45
=2.05-0.45-0.123
=1.6-0.123
=1.477太给力了,你的回答完美解决了我的问题!=