装订车间每人每小时装订课本640册,照这样计算,12人8小时装订课本多少册?8g6Q9r,N4o8u4@0o8I7t1f
算式:提示8F.z,D-d,{*^8g6Q9r,N4o8u4@0o8I7t1f
答:12人8小时装订课本9}6P:F0L8u8i'n)~2U册。8g6Q9r,N4o8u4@0o8I7t1f