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6. Calculează: 23. 33 - [62-(63 – 62): 5] - 63 =​

Răspuns :

23 · 33 - [62 - (63 - 62) : 5] - 63 =

759 - (62 - [tex]\frac{1}{5}[/tex]) - 63 =

759 - [tex]\frac{309}{5}[/tex] - 63 =

[tex]\frac{3795-309-315}{5}=\frac{3171}{5}.[/tex]

sau

33 - [62 - (63 - 62) : 5] - 63 =

33 - (62 - [tex]\frac{1}{5}[/tex]) - 63 =

33 - [tex]\frac{309}{5}[/tex] - 63 =

[tex]\frac{165-309-315}{5}=-\frac{459}{5}.[/tex]

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