解:40÷5/1等于( 8 ) ∵已知需求出40÷5/1等于多少 X ÷ Y = Z ∴40 ÷ 5/1 = 40 ÷ 5 = 40 × 1/5 = 40/5 = (5×8)/5 = 8 答:40÷5/1等于8