ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 19:50Z
d/dr [r^5] = 5r^4
det| 7 4 ; 4 8 | = 40
302K
∑_{k=1}^{n} k = n(n+1)/2
312K
2x² + 4x + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
91K
2H₂ + O₂ → 2H₂O
det| 11 7 ; 6 12 | = 90
∑_{k=1}^{n} k = n(n+1)/2
264K
7ω² + 6ω + 0 = 0
E = mc²
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 2 ; 4 10 | = 82