Question

Помогииите!! Срооочнооо!

Answer 1

7^(2/3)*49^(2/3)=(7*49)^(2/3)=(7^3)^(2/3)=7^2=49

5^(14/3) :5^(14/3)=1

2^(1/4)*2^(3/4)+(2^5)^(1/5)=2+2=4