Question

E e incercuit dau coroana

Answer 1

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