四分之三乘0.25加0.75乘0.75怎么简算

2025-06-28 07:57:03
推荐回答(1个)
回答1:

3/4 *0.25 +0.75*0.75=0.75*0.25+0.75*0.75=0.75*(0.25+0.75)=0.75*1=0.75.原则是合并同类项