解:33乘76等于( 2508 ) ∵已知需求出33乘76等于多少 X × (Y - Z)= X × Y - X × Z ∴33乘76 = 33 × 76 = 33 × (80 - 4) = 33 × 80 - 33 × 4 = 2640 - 132 = 2508 答:33乘76等于2508