Question

2,3*4/9 + 1.8*5/9

срочно дам 10 баллов

Answer 1

$2,3*\frac{4}{9} +1,8*\frac{5}{9} =2\frac{3}{10} *\frac{4}{9} +1\frac{8}{10} *\frac{5}{9} =\frac{23}{10} *\frac{4}{9} +\frac{18}{10} *\frac{5}{9} =\frac{46}{45} +\frac{2}{2} =1\frac{1}{45} +1=2\frac{1}{45}$