解:5/6ⅹ3/4等于( 5/8 ),【即等于0.625】 ∵已知需求出5/6ⅹ3/4等于多少 X × Y = Z ∴5/6 ⅹ 3/4 = 5/(3×2)× 3/4 = 5/(2×4) = 5/8 = 0.625 答:5/6ⅹ3/4等于5/8,【即等于0.625】
=8分之5