Question

Determine o valor da expressao numerica 1 4/5 +7/10


pfv me ajudem!!!!!!!

Answer 1

Explicação passo-a-passo:

$1 \dfrac{4}{5} + \dfrac{7}{10}$

$\dfrac{1 \times 5 + 4}{5} + \dfrac{7}{10}$

$\dfrac{5 + 4}{5} + \dfrac{7}{10}$

$\dfrac{9}{5} + \dfrac{7}{10}$

$\dfrac{18 + 7}{10}$

$\dfrac{25}{10}$

$\dfrac{25 {}^{( \div 5)} }{10 {}^{( \div 5)} }$

5/2