65.4-(32.5+15.4)怎样简便 计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 01:40:36
![65.4-(32.5+15.4)怎样简便 计算](/uploads/image/z/758494-46-4.jpg?t=65.4-%2832.5%2B15.4%29%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF+%E8%AE%A1%E7%AE%97)
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65.4-(32.5+15.4)怎样简便 计算
65.4-(32.5+15.4)怎样简便 计算
65.4-(32.5+15.4)怎样简便 计算
原式=65.4-15.4-32.5
=50-32.5
=17.5
=65.4-15.4-32.5
=50-32.5
=17.5
65.4-15.4-32.5=17.5