Răspuns :
(12+16+8):4 = ...
(1)... =12:4 + 16:4 + 8:4 = 3 + 4 + 2 = 9 ;
(2)... (...)=12+16+8=36
(36):4 = 9 ;
(1)... =12:4 + 16:4 + 8:4 = 3 + 4 + 2 = 9 ;
(2)... (...)=12+16+8=36
(36):4 = 9 ;