原式=(480-120)÷45 =360÷45 =8
解:(480-24x5)÷45等于( 8 ) ∵已知需求出(480-24x5)÷45等于多少 ∴(480 - 24 x 5) ÷ 45 = (480 - 120)× 1/45 = 360 × 1/45 = 360/45 = (8×45)/45 = 8 答:(480-24x5)÷45等于8