3525=60
9110=101
1091=101
5050=?
x*43500 + y*29240 = 822456016
x>=54y
X-25%=102
27÷3×3=9
X – 0.133x = 112500
solve d^3y/dx^3+d^2y/ dx^2-dy/dx-y=e^2x + cos 2x
x^3-2.2x^2+1.57x-0.36
16/5:0.1:15
f