Page 33 - الإحصاء في مجال الدراسات الإعلامية
P. 33
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?? -520 -450 -380 -310 -240 -170 -100????????? ??????
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??2 6 9 25 18 10 6??
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??415 = 2 ÷ 450 + 380?? ??135 = 2 ÷ 170 + 100??
??485 = 2 ÷ 520 + 450?? ??205 = 2 ÷ 240 + 170??
??31??
