1181160
22329564
20100416
3898208
4202896
5986133
9141936
7173453
20?15?3?6=21
what's your sports? ...
the volume of a rectangular solid is ( x^3+3x^2+2x) cubic cm and its height is (x+1) cm, what is the area of the base?
y= x 2/3+0.9sin(kx) √3-x²
(sin theta - cos theta + 1) / (sin theta +cos theta -1) =
tan15?