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2)ªØ´¡ÃÃÁ¡ÒáÅÒ§ ÃҤҨͧÿÿ 20,000ÿºÒ·ÿÿ¨Ó¹Ç¹ÊÃéÒ§ÿÿ 99ÿ ªØ´ ÁÕÂÍ´¨Ó¹Ç¹ 2 ªØ´
1.à§Ô¹ ä´éÃѺ 1ͧ¤ì X 3,000 = 3,000 º.
2.¹ÇоÔàÈÉ ä´éÃѺ 2ͧ¤ì X 1,500 = 3,000 º.
3.ÍÑŻҡéÒ ä´éÃѺ 3ͧ¤ì X 800 = 2,400 º.
4.ÊѵµÐâÅËÐ ä´éÃѺ 3ͧ¤ì X 600 = 1,800 º.
5.´ÕºØ¡ ä´éÃѺ 3ͧ¤ì X 800 = 2,400 º.
6.·Í§á´§ ä´éÃѺ 10ͧ¤ì X 400 = 4,000 º.
7.·Í§àËÅ×ͧ ä´éÃѺ 10ͧ¤ì X 400 = 4,000 º.
8.·Í§ÃЦѧ ä´éÃѺ 5ͧ¤ì X 600 = 3,000 º.
ÃÇÁ 37 ͧ¤ì 23,600 º.
3)ªØ´¡ÃÃÁ¡ÒÃàÅç¡ÿÿÃҤҨͧÿÿ 10,000 ºÒ·ÿ ¨Ó¹Ç¹ÊÃéÒ§ 199 ªØ´ ÁÕÂÍ´¨Ó¹Ç¹ 5 ªØ´
1.·Í§á´§ ä´éÃѺ 10ͧ¤ì X 400 = 4,000 º.
2.·Í§àËÅ×ͧ ä´éÃѺ 10ͧ¤ì X 400 = 4,000 º.
3.ÊѵµÐâÅËÐ ä´éÃѺ 2ͧ¤ì X 600 = 1,200 º.
4.´ÕºØ¡ ä´éÃѺ 2ͧ¤ì X 800 = 1,600 º.
5.ÍÑŻҡéÒ ä´éÃѺ 2ͧ¤ì X 800 = 1,600 º.
6.¹ÇоÔàÈÉ ä´éÃѺ 1ͧ¤ì X 1,500 = 1,500 º.
ÃÇÁ 27 ͧ¤ì 13,900 º. |
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