pure math5.39.217.778 t# B# p6 b+ E Z( r0 ?
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[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+yTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。1 r- B. e8 c: s4 b% T
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if x = 111 y = 2222, you number is 111-2222 |