Question

me ajudem por favor








-7/3 + 4/5 -1/2​

Answer 1

Explicação passo-a-passo:

$- \frac{7}{3} + \frac{4}{5} - \frac{1}{2}$

$\frac{ - 7 + 24 - 15}{30}$

$- \frac{61}{30}$

Solução

$- \frac{61}{30}$

Answer 2

Explicação passo-a-passo:

- 7/3 + 4/5 - 1/2

- 7/3 + 4/5 - 1/2

-7×10/3×10 + 4/5 - 1/2

- 7/3 + 4/5 - 1/2

- 7×10/3×10 + 4×6/5×6 - 1/2

- 7/3 + 4/5 - 1/2

- 7×10/3×10 + 4×6/5×6 - 1×15/2×15

- 70/3×10 + 4×6/5×6 - 1×15/2×15

- 7×10/3×10 + 4×6/5×6 - 1×15/2×15

- 70/30 + 4÷6/5×6 - 1×15/2×15

- 7×10/3×10 + 4×6/5×6 - 1×15/2×15

- 70/30 + 24/5×6 - 1×15/2×15

- 7×10/3×10 + 4×6/5×6 - 1×15/2×15

- 70/30 + 24/30 - 1×15/2×15

- 7×10/3×10 + 4×6/5×6 - 1×15/2×15

- 70/30 + 24/30 - 1×15/2×15

- 7×10/3×10 + 4×5/5×6 - 1×15/2×15

- 70/30 + 24/30 - 15/30

- 70+24-15/30

- 7/3 + 4/5 - 1/2

- 70+24-15/30

- 70+24-15

-85+24

-61

-70+24-15/30

-61/30

- 61/30

Resposta

- 61/30