348-(127+48)-73简便方法
348-48-(127+73)=100
根据题目条件,可知348-(127+48)-73=348-48-(127+73)=300-(127+73)=300-200=100
348-(127+48)-73=348-127-48-73=348-48-(127+73)=300-200=100
=348-127-48-73=348-48-(127+73)=300-200=100