简便计算:0.65*7.5-0.65*0.65

来源:学生作业帮助网 编辑:六六作业网 时间:2025/02/02 11:16:20
简便计算:0.65*7.5-0.65*0.65简便计算:0.65*7.5-0.65*0.65简便计算:0.65*7.5-0.65*0.650.65*7.5-0.65*0.65=0.65*(7.5-0.

简便计算:0.65*7.5-0.65*0.65
简便计算:0.65*7.5-0.65*0.65

简便计算:0.65*7.5-0.65*0.65
0.65*7.5-0.65*0.65=0.65*(7.5-0.65)=0.65*6.85=4.4525

错了吧
是0.65*7.5-6.5*0.65
=0.65*(7.5-6.5)
=0.65*1
=0.65