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calculeaza:
(4/3)²-(7/6)²=?
vă rog frumos!​


Răspuns :

(4/3)²-(7/6)²=

=16/9-49/36=

=64/36-49/36=

=15/36=5/12

[tex]\left(\dfrac{4}{3}\right)^2 - \left(\dfrac{7}{6}\right)^2 = {{\dfrac{16}{9}}^{^{\displaystyle (4}}} - \dfrac{49}{36} =[/tex]

[tex]= \dfrac{64}{36} - \dfrac{49}{36} = \dfrac{64-49}{36} ={^{^{^{^{^{^{\displaystyle 3)}}}}}}}\!\!\!\dfrac{15}{36} = \dfrac{5}{12}[/tex]