Salut.
[tex]\displaystyle{(\frac{1}{2}+0,45\times2+0,6)\times2:0,01=}[/tex]
[tex]\displaystyle{=(\frac{1}{2}+\frac{45}{100}\times2+0,6)\times2:0,01}[/tex]
[tex]\displaystyle{=(\frac{1}{2}+\frac{9}{20}\times2 + 0,6)\times 2 : 0,01}[/tex]
[tex]\displaystyle{=(\frac{1}{2}+\frac{18}{20}+\frac{6}{10})\times2:0,01}[/tex]
[tex]\displaystyle{=(\frac{1}{2}+\frac{9}{10}+\frac{6}{10})\times2 : 0,01}[/tex]
[tex]\displaystyle{=(\frac{5}{10}+\frac{9}{10}+\frac{6}{10})\times2:0,01}[/tex]
[tex]\displaystyle{=\frac{5+9+6}{10}\times2:0,01}[/tex]
[tex]\displaystyle{=\frac{20}{10}\times2:0,01}[/tex]
[tex]\displaystyle{=2\times2:0,01}[/tex]
[tex]\displaystyle{=4:0,01}[/tex]
[tex]\boxed{=400}[/tex]
- Lumberjack25
