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rezolvati ecuatiile in multimea nr naturale a) x+649-235=1074 b) 32853+x=80003-1783

Răspuns :

a) x+649-235=1074
x+414=1074
x=1074-414
x=660

b)32853+x=80003-1783
32853+x=79210
x=79210-32853
x=46357
a)
x+649-235=1074
x+649=1309(1074+235)
x=1309-649
x=660
b)
32853+x=80003-1783
32853+x=78220
x=78220-32853
x=45367