5. efectuați - 3/2^-2+ - 2/3^3 ori - 2/3^2^100: -2/3^499+-2/4^2

Răspuns:
Explicație pas cu pas:
(-3/2)^-2 = (-2/3)^2 = 4/9
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(-2/3)^3*(-2/3)^2 = (-2/3)^5
[(-2/3)^5]^100 = (-2/3)^500
(-2/3)^500 : (-2/3)^499 = -2/3
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4/9 - 2/3 + 4/9 = 4/9 - 6/9 + 4/9 = 2/9