10*6=60
9*5=45
8*7=56
55/2=27,05
100*5=500
60+45+56-27,5+500=633,5
Y' = 12x^2*tg(x) + 4x^3/cos^2(x)
1)897488+1684232=2581720
2)<span>39813-38953=860
3)</span>2581720:860=3002
4)3002x102383913=307356506826
5)307356506826:59=5209432319,08
<span>2* 1 1/11 . =2*(11+1)/11=2* 12/11=24/11= 2 2/11
4* 2 6/7 . =4*(14+6)/7=4* 20/7=80/7= 11 3/7
2* 5 1/2.=2*(10+1)/2=2*11/2=11</span>
17 - 100\%
х - 125\%
х=17х125/100=21,25
21,25х24=510
ответ: 510