pure math
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[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y公仔箱論壇9 ]" L A. {* ]7 i7 T3 L, a6 O) }
/ H/ Q1 W. P9 c8 i0 W$ |9 QTVBNOW 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。if x = 111 y = 2222, you number is 111-2222 |