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by bad_login 3395 days ago
Yes, but belgium and switzerland doesn't:

    France, belgium/switzerland
    70 -> soixante dix (60 + 10) -> septant (latin word like september for 7)
    80 -> quate vingt (4 * 20) -> octant/huitant (come from huit = 8)
    90 -> quatre vingt dix (4 * 20 + 10) -> nonant  (latin word for 9)