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______.
答
(1)20÷3=6.666…=6.
;• 6
(2)6.666…≈6.67;
故答案为:6.
,6.67.• 6