В числителе формула, в знаменателе - способ группировки.
A) y'=(lnx-5/x+5)'=1/x+5/x
<span>а) 0.5c⁴+0.3c²+c³-0.5c² = 0.5c⁴ + с³ - 0,2с²</span>
<span><span>б)1.4z³-0.1z²-0.4z³+1 = z³ - 0,1z² +1</span></span>
<span><span><span>в) a²+a+1/4a²-a = 5/4а²</span></span></span>
<span><span><span><span>г) 1/2m⁵-1/4m³+m³-3/4m⁵ = 3/4m³ -1/4m⁵</span></span></span></span>
<span><span><span><span><span>д) 1/3x+2/3x³-x-2/3x³+3 = 3 - 2/3х</span></span></span></span></span>
<span><span><span><span><span><span>е) 2/5b²+b-3/5b²+1/4b = 5/4b - 1/5b²</span></span></span></span></span></span>