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DAU COROANAAAAAAAAA!!!!!​

DAU COROANAAAAAAAAA class=

Răspuns :

a) 96 : 3 = 32 proba : 32 x 3 = 96 b) 280 : 2 = 140 proba : 2 x 140 = 280 c) 5 x (17 x a - 17 ) = =5 x (68 - 17) =5 x 51 =255 proba : 255 : 51 = 5 d) 2 x (72 + 16 x 3 - 19 x a) : 4= = 2 x (120 - 114) : 4 =2 x 6 : 4 =12 : 4 =3 proba : 12 : 4 = 3