简便计算:46×25%55×0,25-0,25
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 07:09:14
![简便计算:46×25%55×0,25-0,25](/uploads/image/z/198599-23-9.jpg?t=%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3A46%C3%9725%2555%C3%970%2C25-0%2C25)
简便计算:46×25%55×0,25-0,25
简便计算:46×25%55×0,25-0,25
简便计算:46×25%55×0,25-0,25
算式写错了.
应该是46×25%+55×0.25-0.25
=(46+55-1)×0.25
=100×0.25
25
先把百分数化成小数
46乘0.25+55乘0.25-0.25乘1
=0.25乘(46+55-1)
=0.25乘100
=25