1. 9,2у+81z³+39z³-10y=120z³-0,8y.
9,2y+81z³-39z³-10y=42z³-0,8y.
2.-51k⁴+10 3/7 c² + 12 3/7 c² + 19k⁴ = 22 6/7 c² - 32k⁴.
-51k⁴+10 3/7 c² - 12 3/7 c² + 19k⁴ = -2-32k⁴.
3. 29m³-3,8t+2,8t-21 11/19 m³ = -t-7 8/19 m³.
29m³-3,8t-2,8t-21 11/19 m³ = -6,6t-7 8/19 m³.
4. 100s^5 + 31 5/12 k + 40k - 92,8s^5 = 71 5/12 k + 7,2s^5.
100s^5 + 31 5/12 k - 40k - 92,8s^5 = 7,2s^5 - 8 7/12 k.