Question

2/5 (14/12+2/6) - 3/4 (15/9+1/2)
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Answer 1

Resposta:

-1.025

Explicação passo-a-passo:

bom estudos 'u'

Answer 2

Resposta:

$\frac{24}{65}$

Explicação passo-a-passo:

$\frac{2}{5}(\frac{14}{12}+\frac{2}{6})-\frac{3}{4}(\frac{15}{9}+\frac{1}{2})\\\\\frac{2}{5}(14+4)-\frac{3}{4}(20+6)\\\\\frac{2}{5}.18-\frac{3}{4}.26\\\\\frac{2}{5}.\frac{18}{1}-\frac{3}{4}.\frac{26}{1} \\\\\frac{36}{5}-\frac{78}{4}\\\\\frac{144}{390}\\\\\frac{24}{65}$

Espero ter ajudado!