![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
![1.folosind factorul comun ,calculati a)25x37+63x25 b )45x32-32x1045 ;c)57la putera a 2 -56 x57 d) 77 - Brainly.ro 1.folosind factorul comun ,calculati a)25x37+63x25 b )45x32-32x1045 ;c)57la putera a 2 -56 x57 d) 77 - Brainly.ro](https://ro-static.z-dn.net/files/d68/c8b6e38777bc68c6829971103bde3aae.jpg)
1.folosind factorul comun ,calculati a)25x37+63x25 b )45x32-32x1045 ;c)57la putera a 2 -56 x57 d) 77 - Brainly.ro
![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/d89/dd288be4a0a1294757fb1453492100ac.jpg)