Mathematics originated from early human production activities. Mathematics was studied in early ancient Greece, ancient Babylon, ancient Egypt, ancient India and ancient China. Mathematics is the science that studies concepts such as quantity, structure, change, and spatial models. Through the use of abstraction and logical reasoning, arising from counting, calculating, measuring, and observing the shape and movement of objects. The basic elements of mathematics are: logic and intuition, analysis and reasoning, commonality and individuality.
Features:
You can set the number of questions by yourself. It is highly flexible and allows time to calculate. It is practical and practical, and it provides alternate questions of subtraction, multiplication and division. It is highly functional.
No need to know it, just use it and you will be shocked.
it works
it works
it works