解:5/6÷5等于( 1/6 ) ∵已知需求出5/6÷5等于几 X ÷ Y = X / Y = Z ∴5/6 ÷ 5 = 5/6 × 1/5 = (1×1)/(6×1) = 1/6 答:5/6÷5等于1/6