Question

[( 4/5 + 5/6 x 3/25) : 9/2 - 1/15 ] x 3 întregi si 3/4 + 1/2=?​

Answer 1

$[(\frac{4}{5} +\frac{5}{6} *\frac{3}{25} ):\frac{9}{2} -\frac{1}{15} ]*3\frac{3}{4} +\frac{1}{2} =\\\\(\frac{4}{5} +\frac{1}{10}) :\frac{9}{2} -\frac{1}{15}] *\frac{15}{4} +\frac{1}{2} =\\\\(\frac{9}{10}*\frac{2}{9} -\frac{1}{15} )*\frac{15}{4} +\frac{1}{2} =\\\\(\frac{1}{5} -\frac{1}{15} )*\frac{15}{4} +\frac{1}{2} =\\\\\frac{2}{15} *\frac{15}{4} +\frac{1}{2} \\\\\frac{1}{2} +\frac{1}{2} =\\\\\frac{2}{2} =\\\\1$