Question

(4,2-2,7):0,003/2,125÷1,7

Answer 1

Решение:

$\[\begin{gathered}\frac{{\left({4,2-2,7}\right):0.003}}{{2,125:1,7}}=400\hfill\\1)4,2-2,7=1,5\hfill\\2)1,5:0.003=500\hfill\\3)2,125:1,7=1,25\hfill\\4)500:1,25=400\hfill\\\end{gathered}\]$