Question

scrie ca putere folosind factorul comun dupa model :3la a 6+18×3la a 4. 3la a 11+6×3la a 10. 5la 21-4×5la 20

Answer 1

3^6+18×3^4=3^4(3^2+18)=3^4×27=3^4×3^3=3^7
3^11+6×3^10=3^10(3+6)=3^10×3^2=3^12
5^21-4×5^20=5^20(5-4)=5^20