Răspuns:
Explicație pas cu pas:
2
a)(5/7)^(2+3)=(5/7)^5
b)(11/9)^(10-7)=(11/9)³
c)(2/13)^(3·6)=(2/13)^18
3
a)(5/4)^(7-4)=(5/4)³
b)(21/13)^(52-51)=21/3
c)(4 1/4)^(12-10)=(4 1/4)²
d)(49/9)^(18-17)=49/9
e)(3/2)^(15-11)=(3/2)^4
f)(64/15)^(23-22)=64/15=4 4/15
