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Andreea0224
a fost răspuns

(6+12+18+24+...+6000)÷(3+6+9+12+...+3000)

Răspuns :

Alexandra1701
6+12+18+...+6000=6(1+2+...+1000)=6((1000×1001)÷2)=3×1000×1001=3003000
3+6+9+...+3000=3(1+2+...+1000)=3003000÷2
3003000÷(3003000÷2)=2

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