30 x 3.5
u= $\sqrt{x+2}$
1771340
111660.4252
.1771340
4.29953917239026820
1.77721642167407220
2.29568113406434021
5.4400...
4a^3/8a^-5
[140000+30/100*x-75000-140000]*104/100
4x+3=11
12 x 2.5
√16×√8×√5×√3
kx/(x-2k)^2 > 1
8 x 1.5
