Răspuns:
Explicație pas cu pas:
1.
a)(9/13)³×(13/9)³=(9/13×13/9)³=1
b)16^5×(1/16)^5=1
c)(5/10)³×2³=(1/2)³×2³=1
2.
a)(2/7)^(17+11-28)=(2/7)^1=2/7
b)(1/3)^14:(1/3)^12=(1/3)²1/9
c)(3/5)^(24+8-8)=(3/5)^24
