Mathematics, 18.03.2021 02:00 sadieismichaeljackso
9. Micsorand dublul unui numar intreg cu 60% din acesta, obtinem 21. Aflati numarul respectiv.
10. Aflati un numar intreg, stiind ca dublul sumei dintre acesta si 1/2 din el este cu 3 mai mica decat -29.
12. Media aritmetica a trei numere intregi este egala cu -33. Daca media aritmetica a primelor doua numere este egala cu -29,aflati cel de-al treilea numar.
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9. Micsorand dublul unui numar intreg cu 60% din acesta, obtinem 21. Aflati numarul respectiv.
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