答案
解:(+853.5)+(+237.2)+(-325))+(+138.5)+(-280)+(-520)+(+103),
=853.5+237.2+138.5+103-325-280-520,
=1332.2-1125,
=207.2,
答:盈余202.7元.
解:(+853.5)+(+237.2)+(-325))+(+138.5)+(-280)+(-520)+(+103),
=853.5+237.2+138.5+103-325-280-520,
=1332.2-1125,
=207.2,
答:盈余202.7元.