Revision history of "2 − −7 = 9" (Z17118)

Reih anchaslys: jean reih kiarkil reih ny lhiegganyn by vie lhiat cosoylaghey ad, as crig er "enter", ny er y cramman ec cass y rolley.
Ogher: (bio) = anchaslyssyn rish y lhieggan t'ayn nish, (roish) = anchaslyssyn rish y lhieggan roish, m = myn-reaghey