4x-3=-13
5000 x e^0.6
500x
24
400X
12
2x-1/2=1/2
52000=57000*((1-(2/3)*(d/0.313))/(1-(2/3)*(d/0.313))/ $(1+0.8( $l^{2}$/(24*0.313)))^{0.5}$)
y/5=9
286/2.2
3*3-3/3+3
5x=15
