0.94x2.05-0.45简便计算
问题描述:
0.94x2.05-0.45简便计算
答
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