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แบบฝึกทักษะที่  8




              จงท ำให้อยู่ในรูปอย่ำงง่ำย  โดยตอบในรูปของเลขยกก ำลังที่มีเลขชี้ก ำลังเป็นบวก

              1.    9 2  9  6
                    9 3
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              2.       m 7
                 n 3  m  4  n  3
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              3.    13n 5  n 6
                 4n 0  26n 12
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                      10       6
                    1       1
              4.    2       2
                        1  5
                        2
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                   2
                          5
              5.    a b 3  a b  2
                       1
                    a b   3
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