770÷30 5600÷400 9800÷320 用简便方法计算

如题所述

770÷30
=(770÷10)÷(30÷10)
=77÷3
=25又3分之2

5600÷400
=(5600÷100)÷(400÷100)
=56÷4
=14

9800÷320
=(9800÷10)÷(320÷10)
=980÷32
=(980÷4)÷(32÷4)
=245÷8
=30又8分之5
温馨提示:答案为网友推荐,仅供参考