解:74×16等于( 1184 ) ∵已知需求出74×16等于多少 X × (Y - Z)= X × Y - X × Z ∴74 × 16 = 74 × (20 - 4) = 74 × 20 - 74 × 4 = 1480 - 296 = 1184 答:74×16等于1184