(1+x²+y²+x²y²)½+xydy/dx=0 solve the differential equation
9950139.3303
9086092.5474
2330849.8777
2205284.2171
19036231÷10948
19159206606
193223817554
9177064342
2189613212
57.7537...
\int (e^(2)+e^(-2t))/(e^(2)-e^(-2t))dt
9:x::36:48
8:10=x:50
lim_(x→-4) ( (x^(2)+3x-4)/(x^(2)+7x-4) )
20/21:400/441:8000/9261
22/7*20 - 22/7*6
$\qr{\ox$ 00
