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853-(x-179)=666. (N+198)_254=746


Răspuns :

853-(x-179)=666
853-666-(x-179)
187-(x-179)
187-x+179
187+179=x
x=366

(N+198)-254=746
(N+198)=746+254
(N+198)=1000
N=1000-198
n=802

853-(x-179)=666
853-x=666+179
853-x=845
x=853+845
x=1698
(N+198)-254=746
(N+198)=746+254
(N+198)=1000
N=1000-198
N=802