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a-b=1972
a:b=74 rest 1
a , b = ?


Răspuns :

a-b=1972

a:b=74; r.1
(a-1) : b=74
a-1=74b
a=74b+1

74b+1 -b=1972
73b= 1971
b=1971: 73
b=27

a-27=1972
a=1972+27
a= 1999
a =b x 74+1
a=74b+1
74b+1-b=1972
73b=1972-1
b=1971:73
b=27
a=1972+27
a=1999