Răspuns :
a-b=2000
a÷b=13 rest 104
a=b13+104
b13+104-b=2000
b12+104=2000
b12=1896
b=158
a=2000+158
a=2158
a÷b=13 rest 104
a=b13+104
b13+104-b=2000
b12+104=2000
b12=1896
b=158
a=2000+158
a=2158