<span>f(x)= -sin 2x - cos 2x -2cos2x+2sin2x</span>
<span>f(x)= x^3 - tg4x</span> 3x^2-4/cos^2 (4x)
<span>0,00064 * 10^14=64*10^9=4^3*(10^3)^3=4^3*1000^3=4000^3
</span><span>64000*10^-2=640 - не куб
6400*10^-2=64=4^3
0,64*10^14=64*10^12=4^3 (10^4)^3 = 40000^3
64*10^5 64*10^5 = </span> - не куб
32*15=480
32/2=16
16*1,5=24
24*16=384
384+480=864