解:32X11等于( 352 ) ∵已知需求出32X11等于多少 X × (Y + 1) = X × Y + X ∴32 × 11 = 32 × (10 + 1) = 32 × 10 + 32 × 1 = 320 + 32 = 352 答:32X11等于352
可以看成30乘10+2乘1=302