(acrtg(3 - x^2))' = -2x / (1 + (3-x^2)^2)
4356+(у-675)=5893
<span>4356 + у - 675 = 5893
у + 3681 = 5893
у = 5893 - 3681
<em><u> у = 2212</u></em>
***************************************
4356 + (2212 - 675) = 5893
4356 + 1537 = 5893
5893 = 5893
</span>
647*(36900-36720)-29256=647*180-29256=116460-29256=87204