Răspuns:
buna !
[tex]( - 0.4(6) \sqrt{75} ) \div \frac{7}{15} \sqrt{3} [/tex]
[tex]( - 0.4 \times 6 \times 5 \sqrt{3} ) \div \frac{7}{15 \sqrt{3} } [/tex]
[tex]( - 12 \sqrt{3} ) \div \frac{7}{15 \sqrt{3} } [/tex]
[tex] - 12 \sqrt{3} \times \frac{15 \sqrt{3} }{7} [/tex]
[tex] - \frac{540}{7} [/tex]
sper ca te am ajutat !
