2999 + 3999
= 2980.219 + 3980.319
= (220)49.210.29 + (320)49.310.39
= (...76)49.1024.512 + (...01)49.59049.19683
= (...76).(...88) + (...01).(...67)
= (...88) + (...67)
= (...55)
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