11月机警223题和253好象是一种题: 253)In a order,the shipment fee is$3,the price is $19.95 1)total cost is between 210 and 225 2)total cost is between 190 and 215 key(c) 我觉得都可以推出来啊,是不是还要考虑不是一次运出,所以要收几次$3?
252)the area of rectangle is 80 what is perimeter? 1)the long one is 2 more than the short one 2)the length of the longer one is 10 key(a) 2)为什么不可以呢? 望NN们不吝赐教!谢谢啦!!
以下是引用让我想一想在2003-12-12 14:38:00的发言: 11月机警223题和253好象是一种题: 253)In a order,the shipment fee is$3,the price is $19.95 1)total cost is between 210 and 225 2)total cost is between 190 and 215 key(c) 我觉得都可以推出来啊,是不是还要考虑不是一次运出,所以要收几次$3?
以下是引用让我想一想在2003-12-12 14:38:00的发言: 252)the area of rectangle is 80 what is perimeter? 1)the long one is 2 more than the short one 2)the length of the longer one is 10 key(a) 2)为什么不可以呢?