Question

五年级数学简便运算

0.888*1.6-0.222*2.4
快点 七点前给出答案

Answer 1

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*4
=0.888

Answer 2

0.888*(1.6-0.6)=0.888

Answer 3

0.888*1.6-0.222*4*0.6
=0.888*1.6-0.888*0.6
=0.888*(1.6-0.6)
=0.888

Answer 4

五年级上册简便计算