The problem of computing experts is relatively simple. The calculation of small experts is the addition and subtraction of three numbers, and the calculation with brackets is obviously more difficult and more conducive to students' exercise.

Calculation of Young Talents of Sunshine Students is a book published by Jiangxi Education Press on 20 17. The author is Song Yizhang. Computing ability is the basis of learning mathematics well. The primary school stage is the key period to cultivate the computing ability, so correct guidance and effective training are particularly important. Sunshine students' computing genius series is based on helping primary school students consolidate and improve their computing ability, expand their thinking, and lay a solid foundation for comprehensively improving their comprehensive quality.