解:67×27等于( 1809 ) ∵已知需求出67×27等于多少 X × (Y - Z)= X × Y - X × Z ∴67 × 27 = 67 × (30 - 3) = 67 × 30 - 67 × 3 = 2010 - 201 = 1809 答:67×27等于1809
1809计算器算得