4.4+13.6*0.9怎么简算?
问题描述:
4.4+13.6*0.9怎么简算?
答
4.4+13.6*0.9
=4.4+13.6x1-13.6x0.1
=4.4+13.6-1.36
=18-1.36
=16.640.9去哪了?4.4+13.6*0.9=4.4+13.6x(1-0.1)=4.4+13.6x1-13.6x0.1=4.4+13.6-1.36=18-1.36=16.64在算一个吧~亲~0.125*0.25*32也是简便哦0.125*0.25*32=0.125x8x0.25x4=1x1=1