Răspuns :
a-b=158 si a:b=18 (rest 5) => a=18b+5 =>18b+5 - b = 158
17b =153
b = 9 => a = 167
17b =153
b = 9 => a = 167
a-b=158
a/b= 18 rest 5
a=bx18+5
18b+5-b=158
17b=158-5
17b=153
b=9
a-9=158
a=158+9
a=167
a/b= 18 rest 5
a=bx18+5
18b+5-b=158
17b=158-5
17b=153
b=9
a-9=158
a=158+9
a=167