Răspuns:
a:18=6 (rest 5)
a=18×6+5
a=113
113:18=6 (rest 5)
98:b=8 (rest 2)
b=98:8-2
b=12
98:12=8 (rest 2)
c×19=76
c=76:19
c=4
4×19=76
d:27=3 (rest 18)
d=27×3+18
d=99
99:27=3 (rest 18)
37:e=2 (rest 7)
e=37:2-7
e=15
37:15=2(rest 7)
f:45=1 (rest 22)
f=45×1+22
f=67
67:45=1 (rest 22)
18×g=90
g=90:18
g=5
18×5=90
h:26=3 (rest 18)
h=26×3+18
h=102
102:26=3 (rest 18)