![Dati factor comun,apoi calculati: a)10+20+30+........+800 b)13+26+39+......+715 c)21=42+36+......+1890 - Brainly.ro Dati factor comun,apoi calculati: a)10+20+30+........+800 b)13+26+39+......+715 c)21=42+36+......+1890 - Brainly.ro](https://ro-static.z-dn.net/files/dd6/9e1dd228b748061238149badd1606993.jpg)
Dati factor comun,apoi calculati: a)10+20+30+........+800 b)13+26+39+......+715 c)21=42+36+......+1890 - Brainly.ro
![6 Dati factor comun, apoi calculati: a 10+20+30+...+ 800; b 13 +26+39 + ... +715; © 21 +42 +63 + ... - Brainly.ro 6 Dati factor comun, apoi calculati: a 10+20+30+...+ 800; b 13 +26+39 + ... +715; © 21 +42 +63 + ... - Brainly.ro](https://ro-static.z-dn.net/files/d3b/f6c34d5485c71b6aaf3f49b0819ce6b6.jpg)
6 Dati factor comun, apoi calculati: a 10+20+30+...+ 800; b 13 +26+39 + ... +715; © 21 +42 +63 + ... - Brainly.ro
![Dati factor comun si apoi calculati a)10+20+30...+900 b)13+26+39+...+715 c)21+42+36+...+1890 d) - Brainly.ro Dati factor comun si apoi calculati a)10+20+30...+900 b)13+26+39+...+715 c)21+42+36+...+1890 d) - Brainly.ro](https://ro-static.z-dn.net/files/d6c/dd865ac43b552c5ea01335405f315b3c.jpg)
Dati factor comun si apoi calculati a)10+20+30...+900 b)13+26+39+...+715 c)21+42+36+...+1890 d) - Brainly.ro
![6 Dati factor comun, apoi calculati: a 10+20+30+...+ 800; b 13 +26+39 + ... +715; © 21 +42 +63 + ... - Brainly.ro 6 Dati factor comun, apoi calculati: a 10+20+30+...+ 800; b 13 +26+39 + ... +715; © 21 +42 +63 + ... - Brainly.ro](https://ro-static.z-dn.net/files/dea/4a2ee74eb22bda7148f83df715d82642.jpg)
6 Dati factor comun, apoi calculati: a 10+20+30+...+ 800; b 13 +26+39 + ... +715; © 21 +42 +63 + ... - Brainly.ro
![Joar d) (4.a +4.6-2.x) - (2.a +2-6 +x). 4. Calculati: a) ab + ac, stiind că b+c=50 și a = 2; b) xy + - Brainly.ro Joar d) (4.a +4.6-2.x) - (2.a +2-6 +x). 4. Calculati: a) ab + ac, stiind că b+c=50 și a = 2; b) xy + - Brainly.ro](https://ro-static.z-dn.net/files/dfe/aeefc0262c7c9eb122fcd55ceeb37b6f.png)
Joar d) (4.a +4.6-2.x) - (2.a +2-6 +x). 4. Calculati: a) ab + ac, stiind că b+c=50 și a = 2; b) xy + - Brainly.ro
![6 Dati factor comun, apoi calculati: a 10+20+30+...+ 800; b 13 +26+39 + ... +715; © 21 +42 +63 + ... - Brainly.ro 6 Dati factor comun, apoi calculati: a 10+20+30+...+ 800; b 13 +26+39 + ... +715; © 21 +42 +63 + ... - Brainly.ro](https://ro-static.z-dn.net/files/d89/dd288be4a0a1294757fb1453492100ac.jpg)