Salut
[tex]\rule{7cm}{1mm}[/tex]
[tex]A = (2 + \frac{3}{4} ) \div ( \frac{4}{9 } - \frac{1}{3}) \\ A = (\frac{2 \times 4}{1 \times 4} + \frac{3}{4}) \div ( \frac{4 \times 3}{9 \times 3} - \frac{1 \times 9}{3 \times 9} ) \\ A = ( \frac{8}{4} + \frac{3}{4} ) \div ( \frac{12}{27} - \frac{9}{27} ) \\ A = \frac{11 }{4} \div \frac{3}{27} \\ A = \frac{11}{4} \times \frac{27}{3} \\ A = \frac{11 \times 27}{4 \times 3} \\ A = \frac{297}{12} \\ A = 24.75[/tex]
