a)84.175-25.34=58.835
25.34+58.835=84.175
b)199.99-181.08=18.91
181.08+18.91=199.99
c)68.05-54.01=14.04
68.05-14.04=54.05
d)108.24-98.16=10.08
108.24-10.08=98.16
e)1254.16+35.008=1289.168
f)7028.08+152.12=7180.2
