3.08×91+0.308×90简便算法？
2个回答
展开全部
3.08×91+0.308×90
=3.08×91+0.308×10×9
=3.08×91+3.08×9
=3.08×(91+9)
=3.08×100
=308
=3.08×91+0.308×10×9
=3.08×91+3.08×9
=3.08×(91+9)
=3.08×100
=308
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
