早教吧 育儿知识 作业答案 考试题库 百科 知识分享

3.75x4.23x36—125x0.423x2.8用简算

题目详情
3.75x4.23x36—125x0.423x2.8用简算
▼优质解答
答案和解析
3.75x4.23x36—125x0.423x2.8
=3x1.25x4.23x36-1.25x100x4.23x0.1x2.8
=1.25x4.23x(3x36-28)
=1.25x4.23x80
=1.25x80x4.24
=100x4.23
=423
如果本题有什么不明白可以追问,如果满意请点击“选为满意答案”