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ex 2/70 punctele cqre sunt incercuite

Ex 270 Punctele Cqre Sunt Incercuite class=

Răspuns :

g) √(162/288)=9√2/12√2=9/12=3/4
h) √3^182:√3^180=√3^2=√9=3
i) √15×√15=√225=15
j) √2^6=√64=8
√128=8√2
8√2:8=√2
k) -√4^3= -√(2^2)^3= -√2^6
-√2^6:√2^6= -1