0.888乘1.6减0.222乘2.4 怎样简算
问题描述:
0.888乘1.6减0.222乘2.4 怎样简算
不要高年级的
答
0.888*1.6-0.222*2.4
=0.222*4*1.6-0.222*2.4
=0.222*6.4-0.222*2.4
=0.222*(6.4-2.4)
=0.222*4
=0.888