1/3*(2 2/15 — 5 1/3*1 1/8)+4 5/9

Ответ учителя по предмету Математика

1/3 * (2 2/15 — 5 1/3 * 1 1/8) + 4 5/9 = 3 4/15

1) 5 1/3 * 1 1/8 = 16/3 * 9/8 = (2*3)/(1*1) = 6

2) 2 2/15 — 6 = — (5 15/15 — 2 2/15) = — 3 13/15

3) — 3 13/15 * 1/3 = — 58/15 * 1/3 = — 58/45 = — 1 13/45

4) — 1 13/45 + 4 5/9 = 4 25/45 — 1 13/45 = 3 12/45 = 3 4/15