ex. 7 9 si joc .... please

Răspuns
Pr.7.
a)344
b)95 si 4
c)200 si 4
Pr.9
Imod
836*999-836*886=
836*(999-886)=
836*113=94468
IImod
836*999-836*886=
835164-740696=94468