20÷3的商用简便方法记作_,精确到百分位是_.

问题描述:

20÷3的商用简便方法记作______,精确到百分位是______.

(1)20÷3=6.666…=6.

6

(2)6.666…≈6.67;
故答案为:6.
6
,6.67.