3.76-1.8*0.47简便计算
问题描述:
3.76-1.8*0.47简便计算
答
3.76-1.8X0.47
=3.76-(2-0.2)X0.47
=3.76-2X0.47+0.2X0.47
=3.76-0.94+0.094
=2.82+0.094
=2.914