TABLE XLIX - continued Metres Feet Cm . = = = Feet . ... 6 8 9 1 2 3 4 5 6 8 9 830 1 2 3 4 5 7 8 9 840 1 1234500 O 8 1 2 3 ∞ C 8 2815 ' 2818 . 2821 .
確定! 回上一頁