Răspuns :
George are 63 de timbre.Mihai are cu 27 mai putine decat George.Cate timbre au in total?
63-27=36(are Mihai)
63+36=99(au in total)
63+(63-27)=99
63-27=36(are Mihai)
63+36=99(au in total)
63+(63-27)=99
Andrei are 63 de culori . Marius are cu 27 mai putine . Cate culori au in total ?