问题
填空题
63.54646…简便记法是______,精确到千分位是______.
答案
63.54646…简便记法是:63.5• 4
,精确到千分位是:63.546;• 6
故答案为:63.5• 4
,63.546.• 6
63.54646…简便记法是______,精确到千分位是______.
63.54646…简便记法是:63.5• 4
,精确到千分位是:63.546;• 6
故答案为:63.5• 4
,63.546.• 6