Решите уравнение (72,0999-x):9=7
72,0999-x=7×9 72,0999-x=63 x=72,0999-63 x=9,0999
72,0999 - х ---------------- = 7 9 72,0999 - х = 7 · 9 72,0999 - х = 63 х = 72,0999 - 63 х = 9,0999