2 7 3 July 8, 2019 16 32 64 128 2 7 30 2/7 х 3 2 7 3 6 2 7 30 memory rule 2 7 3 5 2 7 3 4 2 7 3 8 2 7 3 14 2 7 32 to mm 2 7 32 2 7/32 inch to mm 2 7 3 9 2 7 3 5 as a fraction 2 7 3 in fraction 2 7 3 4 as a fraction
