问题
填空题
48,18.9,21.4,35.6和37.3这五个数的平均数是______.
答案
(48+18.9+21.4+35.6+37.3)÷5,
=161.2÷5,
=32.34.
故答案为:32.34.
48,18.9,21.4,35.6和37.3这五个数的平均数是______.
(48+18.9+21.4+35.6+37.3)÷5,
=161.2÷5,
=32.34.
故答案为:32.34.