Now I am beginning to learn to learn mathematics, because it is an abstraction of real things, recalling the experience of the past, remembers, depressed. . . Only from junior high school mathematics, the higher algebra has not learned, first look at the basic things, some interest in seeing some knowledge, of course, is a bit difficult junior high school math, since the provisions of three Question, the first small question is simple, use alternatives: due to abcd = 1, then the 1st in the title is changed to abcd, the second question is not understood, the amount is too large, change a few The angle thinking has not been answered, and the relationship between several letters is not clear? ? ? How to think so much foreigners, don't borrow from age. I want to find a way of thinking, starting from mathematics. Write it in the afternoon.
In fact, the amount of calculation looks great. The actual operation does not feel big, and it is boldly practiced, don't have afraid of immortality, I have spent more than 20 minutes, I have two times, complicated than standard answers. , But more reasonable, easier to accept, no skill, it is important to use the reasonable use of the topic, as if the past experience is back, if you can list the questions.