<span></span>
<span>
</span>
<span>
</span>
<span>=====================================
</span>
<span></span>
<span>
</span>
<span>
</span>
<span>=====================================
</span>
<span></span>
<span>
</span>
<span>
</span>
<span>=====================================
</span>
<span>
</span>
<span>
</span>
1,9=19/10
1.93=193/100
19.3=193/10
0.193=193/100