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13 supra10 minus 1supra 10 minus 7 supra 10​

Răspuns :

Răspuns:

[tex] \frac{13}{10} - \frac{1}{10} - \frac{7}{10} = \frac{12}{10} - \frac{7}{10} = \frac{5}{10} = 0.5[/tex]