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ฝ.๑.๑๘/ผ.๑๘





                                               แบบฝึกหัด 1.18






               1.  หำ ห.ร.ม. โดยกำรหำตัวหำรร่วม


                 1)  10, 14

                  วิธีท�ำ
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                  ตอบ        ......................................................................................................................




                 2)  7, 21


                  วิธีท�ำ
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                  ตอบ        ......................................................................................................................





                 3)  9, 18, 27

                  วิธีท�ำ
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                  ตอบ        ......................................................................................................................






                                                                ์
                                         ส ถ า บั น ส ง เ ส ริ ม ก า ร ส อ น วิ ท ย า ศ า ส ต ร แ ล ะ เ ท ค โนโ ล ยี   ( ส ส ว ท . )
                                               ่
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