8.25+[2.85-(三又五分之二-10.8乘九分之二)÷一又十四分之一
=8.25+[2.85-(17/5-54/5*2/9)÷15/14]
=8.25+[2.85-(17-12)/5×14/15]
=8.25+[2.85-14/15]
=33/4+[57/20-14/15]
=33/4+(171-56)/60
=33/4+115/60
=33/4+23/12
=122/12
=61/6
=10又1/6
8.25+[2.85-(三又五分之二-10.8乘九分之二)÷一又十四分之一
=8.25+[2.85-(17/5-54/5*2/9)÷15/14]
=8.25+[2.85-(17-12)/5×14/15]
=8.25+[2.85-14/15]
=33/4+[57/20-14/15]
=33/4+(171-56)/60
=33/4+115/60
=33/4+23/12
=122/12
=61/6
=10又1/6