![15. Calculați următoarele sume:a) 1 + 2 + 3 + ... +80;b) 2 + 4 + 6 + ... + 100;c) 1 + 3 + 5 + ... + - Brainly.ro 15. Calculați următoarele sume:a) 1 + 2 + 3 + ... +80;b) 2 + 4 + 6 + ... + 100;c) 1 + 3 + 5 + ... + - Brainly.ro](https://ro-static.z-dn.net/files/d89/03487e193f84290ff25bb6149644ca77.jpg)
15. Calculați următoarele sume:a) 1 + 2 + 3 + ... +80;b) 2 + 4 + 6 + ... + 100;c) 1 + 3 + 5 + ... + - Brainly.ro
![12. stiind ca x=23 si y+z= 41, calculati a, b,c,d, e, f.13. Stiind ca x=10 si y-z=29, calculati a b c - Brainly.ro 12. stiind ca x=23 si y+z= 41, calculati a, b,c,d, e, f.13. Stiind ca x=10 si y-z=29, calculati a b c - Brainly.ro](https://ro-static.z-dn.net/files/dc3/5d2c8a856a35f306131633a1c9857cec.jpg)
12. stiind ca x=23 si y+z= 41, calculati a, b,c,d, e, f.13. Stiind ca x=10 si y-z=29, calculati a b c - Brainly.ro
![CHARACTERIZATION AND IMPLEMENTATION OF STRESS DEPENDENT RESILIENT MODULUS OF ASPHALT TREATED BASE FOR FLEXIBLE PAVEMENT DESIGN B CHARACTERIZATION AND IMPLEMENTATION OF STRESS DEPENDENT RESILIENT MODULUS OF ASPHALT TREATED BASE FOR FLEXIBLE PAVEMENT DESIGN B](https://scholarworks.alaska.edu/bitstream/handle/11122/4621/Li_uaf_0006E_10047.pdf.jpg?sequence=4&isAllowed=y)
CHARACTERIZATION AND IMPLEMENTATION OF STRESS DEPENDENT RESILIENT MODULUS OF ASPHALT TREATED BASE FOR FLEXIBLE PAVEMENT DESIGN B
![calculati sumele in progresie aritmetica: a) 1+4+7+...+100 b)2+6+10+...+2010 c)1+3+5+...+(2n+3), n - Brainly.ro calculati sumele in progresie aritmetica: a) 1+4+7+...+100 b)2+6+10+...+2010 c)1+3+5+...+(2n+3), n - Brainly.ro](https://ro-static.z-dn.net/files/d12/dda1fe50946a22ac481d822e7ac547bb.jpg)
calculati sumele in progresie aritmetica: a) 1+4+7+...+100 b)2+6+10+...+2010 c)1+3+5+...+(2n+3), n - Brainly.ro
![Calculati urmatoarele sume:s2=8+9+10+.......+55s6=7+13+19+.......+103s7=2+6 +10+......+102 - Brainly.ro Calculati urmatoarele sume:s2=8+9+10+.......+55s6=7+13+19+.......+103s7=2+6 +10+......+102 - Brainly.ro](https://ro-static.z-dn.net/files/db6/c82b78d2b0dbe624b7f994e0535e5393.jpg)