The Encyclopedia of Mathematics Enlightenment for Children aims at the initial stage of children learning mathematics and provides scientific training on addition and subtraction within 20 to improve children's interest in learning mathematics. Question types include: finding sums (differences), finding additions (subtractions), finding additions (subtractions), decomposition of numbers, and comparison of numbers and expressions. It covers almost all question types in the introductory stage of mathematics. It also includes the remaining 12 addition and subtraction question types mentioned above. In addition, for the addition and subtraction of numbers within the specified range, there will be no problem of number calculations exceeding the range. The editor of Huajun has compiled and recommended various free mathematics enlightenment software for young children. Come and download it now!
