若干箱货物总重19.5吨,每箱货物重量不超过353千克,并且整箱的货物不能拆开。现在有一些载重量为1.5吨的货车,至少需要多少辆这样的货车,才能保证把这些货物一次性全部运走呢?第一眼看到这个题目的时候,你会不会觉得好简单?只要一个式子就可以解决问题了。19.5÷1.5=13所以,只需要13辆货车就可以把这些货物一次性全部运走了。但是实际上并不能这样算,因为货物是整 The total weight of several boxes of goods 19.5 tons, the weight of each box of goods does not exceed 353 kg, and the whole box of goods can not be opened. Now there are some trucks with a loading capacity of 1.5 tons, at least how many such trucks are needed to ensure that all of these goods are shipped away at once? You will not find it easy at first glance? An equation can solve the problem. 19.5 ÷ 1.5 = 13 So, only 13 trucks are needed to transport all of the goods at once. But in fact does not count, because the goods are whole