1又1/3-1/7-11/105-5/24+33/56+4/45=?（45.85—28又1/5+26又1/4）*99.7-3/4*_数学解答

1又1/3-1/7-11/105-5/24+33/56+4/45=?（45.85—28又1/5+26又1/4）*99.7-3/4*52又23/27-3/5除以27/77=?
急.两题

人气：370 ℃　时间：2019-10-23 04:38:33

解答

=9/8+25/56+4/45-11/105
=11/7-11/105+4/45
=22/15+4/45
=14/9;
=(45.85-28.2+26.25)*99.7-36-(23/36+77/45)
=43.9*99.7-36-2.35
=4376.83-36-2.35
=4338.48