Вычислим выражение 8/5 * 3/4 + 11/8.
1) 8/5 * 3/4 = 8/4 * 3/5 = 2 * 3/5 = 6/5;
2) 6/5 + 11/8 = 6 * 8/40 + 11 * 5/40 = 48/40 + 55/40 = 103/40 = 2 23/40.
Вычислим выражение 8/5 * 3/4 + 11/8.
1) 8/5 * 3/4 = 8/4 * 3/5 = 2 * 3/5 = 6/5;
2) 6/5 + 11/8 = 6 * 8/40 + 11 * 5/40 = 48/40 + 55/40 = 103/40 = 2 23/40.