“假设法”是解应用题常用的一种思维方法,在有些应用题中,要求两个或两个以上的未知量,思考时可以先假设要求的两个或几个未知数相等,或者先假设要求的两个未知量是同一种量,然后按照题里的已知条 “Hypothetical method” is a kind of thinking method commonly used to solve applied problems. In some applications, two or more unknowns are required. When thinking, we can assume that two or more unknowns are equal, or suppose first The two unknowns required are the same quantity, and then follow the known bars in the question