Հանրահաշիվ

1)

(a⁵)²=(a²)⁵

(a³)⁴=(a²)⁶

(a⁶)⁷=(a²)²¹

2)

1.11*(2^7-12)=11*2^-5 =11*1/2⁵ =11*32

2.5*(3^15-11)=5*3⁴=5*27