(5682-p)+18=1700
5682-p=1700-18
5682-p=1682
p=5682-1682
p=4000
-------------------------
(r-1908)-92=4630
r-1908=4630+92
r-1908=4722
r=4722+1908
r=6630
------------------------
t÷(6000-5996)=600
t÷4=600
t=600×4
t=2400
-------------------------
(471+h)÷11=781
471+h=781×11
471+h=8591
h=8591-471
h=8120