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a)radical 16 ÷ la radical 8=
b)2 radical 6 ÷ radical 3=
c)-16radical 8÷(-2radical2)=
d)radical 2×radical5÷radical3÷radical6
e)radical12÷radical3×radical5×3
j)(2radical2)totul la puterea a doua× radical2 totul la puterea a doua