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completati cu numere,astfel incit sa obtineti egalitati adevarate.
a)38*(72+54)=38*.....+38*
(29+15)*46=29*......+15*....
73*(...+...)=......24+....*68
f)(80-25)*.....=80*14-25*14
5*(121-42)=5*........-5*......
(243-96)*......=243*7-.....*7

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a)38*(72+54)=38*72+38* 54
(29+15)*46=29*46+15*46
73*(24+68)=73*24+73*68
f)(80-25)*14.=80*14- 25*14
5*(121-42)=5*121-5*42
(243-96)*7=243*7-96*7

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