bài 1

<p>52 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 43 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;94</p><p>- &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;- &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;-</p><p>&nbsp; 4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;7 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 8 &nbsp; &nbsp;&nbsp;</p><p>___ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;___ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;___</p><p>48 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;36 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;76</p><p>Cách làm đây nha e</p>