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82+4 x[F-3x(54454:6)]=2X
(256 +163)

Ma puteti ajuta?


Răspuns :

Răspuns:

82+4 x[F-3x(54+54:6)]=2X(256 -163)

82+4x[F-3x(54+9)]=2x93

82+4x(F-3x63)=186

82+4x(F-189)=186

4x(F-189)=186-82

4x(F-189)=104

(F-189)=104:4

F-189=26

F=26+189

F=215