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imi spuneti si mie ex acesta:
22+33+44+x+188+177+166 egal 1000


Răspuns :


22+33+44+x+188+166=1000

283+x=1000

x=1000-283

x=717

22+33+44+x+188+177+166=100. 55+44+x+365+166=1000. 99+x+531=1000. X=1000+630 x=1000-630. X=370.