Răspuns :
Ana are 100 de zambile. Ea daruieste la 9 colege cate 5 zambile. Cate zambile are Ana ?
100 - ( 9 x 5 ) =55
100 - 45 = 55 ( zambile are Ana )
100 - ( 9 x 5 ) =55
100 - 45 = 55 ( zambile are Ana )