Răspuns :
trebuie sa le pui unele sub altele sa-ti dai seama
ab7c+
9cb3
----------
133a9
c=9-3=6
2)6aaba-
39ab7
-------------
2a997
a=7+7=14 deci a =4 inlocuim 644b4-394b7=24997 deducem ca b=1
64414-39417=24997
3)2ab4b-
196cb
----------------------
86c0
29343-19673=8670 deci a=9,b=3,c=7
4)276a5+
1bba3
-----------------------
b216a
a=8, b=4
27685+14483=42168
la primul cred ca e ceva gresit
ab7c+
9cb3
----------
133a9
c=9-3=6
2)6aaba-
39ab7
-------------
2a997
a=7+7=14 deci a =4 inlocuim 644b4-394b7=24997 deducem ca b=1
64414-39417=24997
3)2ab4b-
196cb
----------------------
86c0
29343-19673=8670 deci a=9,b=3,c=7
4)276a5+
1bba3
-----------------------
b216a
a=8, b=4
27685+14483=42168
la primul cred ca e ceva gresit
3676+9663=13339
64404-39407=24997
29343-19673=8620
27685+14483=42168
64404-39407=24997
29343-19673=8620
27685+14483=42168