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URGENT!!! DAU COROANA

URGENT DAU COROANA class=

Răspuns :

1.

[(-2/5)⁹:(-2/5)⁵:(-2/5)²]²:(8/5-2)³:(1-1/2)

(-2/5)⁴:(-10+8/5)³:1/2

(-2/5)⁴:(-2/5)³:1/2

-2/5:1/2

-2/5×2/1

-4/5