Răspuns:
3/5
Explicație pas cu pas:
{30·(1-0,6)²-[3,2+0,011:(1/10)²] - 3·0,5³}:0,5 =
= {30·0,4²-[32/10 + 11/1000 : 1/100 ] - 3·(1/2)³}:1/2 =
= {30·(4/10)²-[32/10 + 11/1000 · 100/1] - 3/8 } ·2/1 =
= {30·(2/5)²-[32/10 + 11/10] -3/8}·2 =
= {30· 4/25 - 43/10 - 3/8}·2 =
= {⁸⁾24/5 - ⁴⁾43/10 -⁵⁾3/8}·2 =
= {(192-129-15)/40}·2 =
= {48/40}·2 = 48/80⁽⁸ = 6/10⁽² = 3/5 = 0,6
