72*2.09-1.8*73.6怎样简便算?

来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/23 21:29:33
72*2.09-1.8*73.6怎样简便算?72*2.09-1.8*73.6怎样简便算?72*2.09-1.8*73.6怎样简便算?72*2.09-1.8*73.6=1.8*40*2.09-1.8*7

72*2.09-1.8*73.6怎样简便算?
72*2.09-1.8*73.6怎样简便算?

72*2.09-1.8*73.6怎样简便算?
72*2.09-1.8*73.6
=1.8*40*2.09-1.8*73.6
=1.8*(40*2.09-73.6)
=1.8*(83.6-73.6)
=1.8*10
=18

72*2.09-1.8*73.6
=1.8*40*2.09-1.8*73.6
=1.8*(83.6-73.6)
=1.8*10
=18

72*2.09-1.8*73.6怎样简便算? 72×2.09-1.8×73.6 简便运算 401×72怎样简便计算 怎样简便怎样算99*72+78 怎样简便. 272×72+72×28 怎样简便运算? 怎样简便怎样算 怎样简便怎样算. 怎样简便怎样算, 怎样简便怎样算, 怎样简便怎样算, 怎样简便怎样算. 50.4*1.9-1.8怎样简便运算 0.99乘1.8怎样简便计算 46.7-38.2+33.3-1.8怎样简便计算? 怎样简便运算 72÷18 72*65/71 怎样简便算 这道题怎样简便?要简便