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daca x=1+2+3+....+50+26•51 CALCULATI X​

Răspuns :

Răspuns:

x=50(50+1)/2 +26×51

x=25×51+26×51

x=51(25+26)

x=51x51

x=2.601

x=1+2+3+...+50+1326

x=(1+1326)×1326:2

x=1327×1326:2

x=1327×663

x=879801