Salut, urgent va rog.

[tex](5.(6) + ( - \frac{15}{4} ) + 0.75) \times \frac{3}{2} [/tex]
La 5.(6) este 5 perioadă 6


Răspuns :

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Vezi imaginea 102533
(51/9-15/4+75/100)×3/2=
=(17/3-15/4+3/4)×3/2=
=(17×4/12-15×3/12+3×3/12)×3/2=
=(68/12-45/12+9/12)×3/2=
=32/12×3/2=
=4