Răspuns :
a-b=70
a:b= 8 rest 7
a=8b+7
8b+7-b=70
7b+7=70
7b=70-7
7b=63
b=63:7
b=9
a= 8*9+7=72+7=79
a=79
verificare : 79-9=70
a:b= 8 rest 7
a=8b+7
8b+7-b=70
7b+7=70
7b=70-7
7b=63
b=63:7
b=9
a= 8*9+7=72+7=79
a=79
verificare : 79-9=70
x-primul numar
y-al doilea numar
x-y=70
x:y=8 r 7
x=8y+7
8y+7-y=70
7y+7=70
7y=63
y=9
x=8x9+7
x=72+7
x=79
PROBA: x-y=70
79-7=70
y-al doilea numar
x-y=70
x:y=8 r 7
x=8y+7
8y+7-y=70
7y+7=70
7y=63
y=9
x=8x9+7
x=72+7
x=79
PROBA: x-y=70
79-7=70