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1. 386,25 10 :
386 10 = 3×10 2 + 8×10 1 + 6×10 0 + 2×10 -1 + 5×10 -2 .
2. 10111,011 2
10111,011 2 = 1×2 4 + 0×2 3 + 1×2 2 + 1×2 1 + 1×2 0 + 0×2 -1 + 1×2 -2 + 1×2 -3
3. 9 16
9 16 = ×16 1 + 9×16 0 = 11×16 1 + 9×16 0 .
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9 16, 1101 2
9 16 = 11×16 1 + 9×16 0 = 176+9 = 185 10 ,
1101 2 = 1×2 3 + 1×2 2 + 0×2 1 + 1×2 0 = 8 + 4 + 1 = 13 10.
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84 - 32 28 16
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14 = E
12 14 "" "" (.1)
7246 10 = 1CC4 16 = 0001110001001110 2
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2. 37 10
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