用简便方法计算.88.88×11.11+44.44

用简便方法计算.88.88×11.11+44.44×77.78.
2025-04-09 07:55:35
推荐回答(1个)
回答1:

88.88×11.11+44.44×77.78,
=22.22×44.44+44.44×77.78,
=(22.22+77.78)×44.44,
=100×44.44,
=4444;