4分之3×25+39×4分之1+4分之26×13分之3等于？（过程）

1/4*39+3/4*25+26/4*3/13=1/4*39+1/4*25*3+1/4*26*3/13=1/4*39+1/4*75+1/4*6=1/4(39+75+6)=1/4*120=30追问

可以帮忙排好吗？O(∩_∩)O谢谢

追答

1/4*39+3/4*25+26/4*3/13
=1/4*(39+3*25+26*3/13)
=1/4*(39+75+6)
=1/4*120
=30
好了

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