The clever dog accidentally stained the statistical table of newspaper subscription. Children's Daily 34 Pictorial 3? Short stories? The total amount is 100 yuan. the result is

Summary: First of all, tell the children that newspapers and periodicals total 100 yuan, and the children report to 34 yuan, then we can draw a conclusion: small pictorial+short story = 100-34 = 66 yuan. Suppose the pictorial is 3 yuan and the story is 2 yuan, then there is: 3a+b2 = 66 yuan. Then just follow the results of your solution.

Math:

Mathematics is a subject that studies concepts such as quantity, structure, change, space and information. Mathematics is a universal means for human beings to strictly describe the abstract structure and mode of things, and can be applied to any problem in the real world. All mathematical objects are artificially defined in essence. In this sense, mathematics belongs to formal science, not natural science. Different mathematicians and philosophers have a series of views on the exact scope and definition of mathematics.