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rezultatul calculului (2/3)^7*(2/3)^5:(2/3)^10 este... (cu rezolvare daca se poate va rog, 20 pnt)

Răspuns :

Răspuns:

Explicație pas cu pas:

(2/3)^7*(2/3)^5:(2/3)^10 =(2/3)^(7+5-10)=(2/3)³=8/27

Salut!

(2/3)⁷x (2/3)⁵:(2/3)¹⁰=

(2/3)⁽⁷⁺⁵⁻¹⁰⁾=

(2/3)²=

2²/3²=

=4/9

Succes!