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Simplificati [tex] \frac{2+4+6+...+200}{3+6+9+...+300} [/tex]

Răspuns :

[tex]\frac{2+4+6+.....+200}{3+6+9+.....+300}=\frac{2*(1+2+3+......+100)}{3*(1+2+3+......+100)}=\frac{2}{3}[/tex]