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3²·8:12·13:39= ? ajutor va rog

Răspuns :

3^2×8:12×13:39=
9×8:12×13:39=
72:12×13:39=
6×13:39=
78:39=2
Salut !

[tex] {3}^{2} \times 8:12 \times 13:39 = [/tex]

[tex]9 \times 8:12 \times 13:39 = [/tex]

[tex]72:12 \times 13:39 = [/tex]

[tex]6 \times 13 :39 = [/tex]

[tex]78:39 = 2[/tex]

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