4个砝码，每个重量都是整克，总重量是40克，天平可以称出1-40克的物体，问这4个砝码各是多少克。循环语言的学习-Four weights, each weight is the entire grams, total weight is 40 grams, the balance can be said of 1-40 grams of objects and asked which of the four is the number of grams of weight. Cycle of