220-10w^2 ((270-13w^2)(350-15w^2)-(-150)(150))-(-120)((-120)(350-15w^2)-(0)(150))
(a+8b)²-(6a-b)²
6
magic square
[
I = \frac{P (\text{kW})}{\sqrt{3} \times U \times \cos \phi \times h}
]
(5^a+2)^a
6/8*8/4
if the length og a room is 8m and height is 4m , total surface area is 304 m cube , find the volume of the room
64-8+12*2+9
++-+am*ls*//**nmpqrob
