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Afla numerele necunoscute:2315+859+r=7503; t-5132-793=3415; 10 000-6258-i=2405.


Răspuns :

2315+859+r=7503
3174+r=7503
r=7503-3174
r=4329

t-5132-793=3415
t-5132=3415+793
t-5132=4208
t=4208+5132
t=9340

10000-6258-i=2405
3742-i=2405
i=3742-2405
i=1337