–
4(24v–35.59)–53.84<34.85–96.7v–6.39
- $\sqrt{\-21}$
70u≤70+69u
6000mm squared in m squared
91a+27>
87+5a+83a
-1- $\sqrt{\-19}$
$\frac{\1}{\2}$ x ( $\sqrt{\5}$ + 3 $\sqrt{\5}$ ) x 2 $\sqrt{\5}$
18–17–20d>20d–3(15d–20)
8u≤
3u+5(3u–8)
12+3r<8–2r
