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4/9 - ( - 1 1/3 + 7/ 9 ) = ?​

Răspuns :

[tex] \frac{4}{9} - ( - \frac{11}{3} + \frac{7}{9}) = [/tex]

[tex] \frac{4}{9} - ( \frac{33 + 7}{9} )= [/tex]

[tex] \frac{4}{9} - ( \frac{ - 26}{9} ) = [/tex]

[tex] \frac{4}{9} - ( - \frac{26}{9} ) = [/tex]

[tex] \frac{4}{9} + \frac{26}{9} = [/tex]

[tex] \frac{4 + 26}{9} = [/tex]

[tex] \frac{30}{9} = [/tex]

[tex] \frac{10}{3} [/tex]