Va rog dau coroana

Răspuns:
3.a)=2radical2×2²=2radical2+4=8radical2
b)=27radical⁵:3¹²=3¹⁵:3¹²=3³=27
c)=(3radical2)¹²:radical18¹²=(3radical2)¹²:18⁶=(3radical2)¹²totul pe radical18⁶=2⁶/2⁶=1
d. aici dau direct rezultatul ca e la fel ca celelalte=-2radical3
4)=radical5⁷⁰×radical5^‐⁷⁰=5³⁵×5^-35=1
b)=(3⁴):3²²=3²⁴:3²²=3^⁴×⁶:3²²=3²⁴:3²²=3²=9
c)=-radical2⁶¹:radical2⁶⁰=-2^62/2+2³⁰=-2^1/2=-radical2
d)=3^-20×27⁷=3^-20×3²¹=3
Sper ca te-am ajutat!