Question

0,25x+1 5\9 + 15\6x - 2 1\12x= (упростить)

Answer 1

$0,25x+1 \frac{5}{9} + \frac{15}{6}x - 2 \frac{1}{12} x= 0.25x + 2.5x - 2 \frac{1}{12} x + 1 \frac{5}{9} = \\ \\ = (0.25 +2.5 - 2 \frac{1}{12} )*x + 1 \frac{5}{9} = (2 \frac{75}{100} - 2 \frac{1}{12} )x +1 \frac{5}{9} = \\ \\ =(2 \frac{3}{4} - 2 \frac{1}{12} )x + 1 \frac{5}{9} = (2 \frac{9}{12} -2 \frac{1}{12} )x +1 \frac{5}{9} = \frac{2}{3} x +1 \frac{5}{9} }$
можно вынести общий множитель:
$= \frac{2}{3} * (x + \frac{7}{3} ) = \frac{2}{3} * (x+ 2 \frac{1}{3} )$