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Page 1: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 2: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 3: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 4: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 5: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 6: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 7: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 8: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 9: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 10: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 11: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 12: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 13: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 14: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 15: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade
Page 16: sci.bsru.ac.thsci.bsru.ac.th/sciweb/e-magazine/17-1/chapter-5.pdf · Advanced Science, Vol. 17 No. 1, January — June 2017 3) The mathematical academic achievement of ninth grade