我们知道,有理数的运算有简便算法,那么解方程时有没有简便解法呢?大家在解一元一次方程时,一般可按照教科书上所讲的五个步骤进行,但对于一些特殊的方程,我们还可以因题而异,灵活应用一些解题技巧,以提高解题速度.一、巧用乘除法例1解方程-0.125x=2.5.分析:按常规解法求解,应在方程两边同除以-0.125,运算较烦琐.若注意到(-0.125)× We know that there is a simple algorithm for rational numbers, so when solving equations, there is no easy solution. When we solve a one-time equation, we can generally follow the five steps mentioned in the textbook. However, for some special equations, we also Can be due to problems, flexible application of some problem-solving skills, in order to improve the speed of problem-solving.First, the use of multiplication and division of law 1 solution equation -0.125x = 2.5.Analysis: According to the conventional solution, should be in the equation divided by -0.125 , Computing more cumbersome .If you notice (-0.125) ×