7.25-3/7+3.75-4/7=(7.25+3.75)-(3/7+4/7)=11-1=10
7.25-7分之3+3.75-7分之4=(7.25+3.75)-(3/7+4/7)=11-1=10
7.25-3/7+3.75-4/7=(7.25+3.75)-(3/7+4/7)=11-1=10
10