75比( )多25%
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75比()多25%75比()多25%75比()多25%60o(︶︿︶)o5075比60多25%75/(1+25%)=501.25x=75x=6075-75x25/100=56.75
75比( )多25%
75比( )多25%
75比( )多25%
60
o(︶︿︶)o
50
75比60多25%
75/(1+25%)=50
1.25x=75 x= 60
75-75x25/100=56.75