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(-7/3)×(+2/5)×-(-30/7)=
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Răspuns :

[tex] \frac{7}{3} \times \frac{2}{5} \times \frac{30}{7} [/tex]

[tex] \frac{1}{3} \times \frac{2}{5} \times 30[/tex]

[tex] \frac{2}{5} \times 10[/tex]

[tex]2 \times 2[/tex]

[tex]4[/tex]

Răspuns:

[tex] \frac{7}{3} \times \frac{2}{5} \times \frac{30}{7} \\ \frac{1}{3} \times \frac{2}{5} \times 30 \\ \frac{2}{5} \times 10 \\ 2 \times 2 \\ 4[/tex]