1*1/2 + 11*1/3 + 111*1/2 + 1111*1/3 + 11111*1/3 =?
1*1/2 + 11*1/3 + 111*1/2 + 1111*1/3 + 11111*1/3 =? 1+11+111+1111+11111+ 1/2 + 1/3 + 1/2 + 1/3 + 1/3 12345 + 12/6 = 12347
152 142 122 ? 52 2
55, 71, 119, 199, 311, ?
252, 235, 220, 207, 196, ?
25 54 ? 228 460 924
625, 125, 50, 30, 24, ?
561, 554, 540, 519, 491, ?
11, ? 220, 660, 1320, 1320
17, 9, ?, 13.5, 25, 65
480, 288, ?, 103.68, 62.208, 37.3248
12, 18, 30, 54, ?, 198
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