7x/8+3/8=1/4
2 $\sqrt{\3}$ x $\sqrt{\15}$
$\pi$ 98
2 $\sqrt{\Box}$ 3 x $\sqrt{\Box}$ 15
x/3-4=-5
29.5x = 51
3x squared - x squared
49 noni per 81 quarantanovesimi
3x square - x square
3x square + x square
