这题用简便方法怎么做
展开全部
12.5X7.7+2.3
=12.5X8-12.5X0.3+2.3
=100-3.75+2.3
=100-1.45
=98.55
=12.5X8-12.5X0.3+2.3
=100-3.75+2.3
=100-1.45
=98.55
本回答被提问者采纳
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
12.5x7.7+2.3
=12.5x(8-0.3)+2.3
=12.5x8-12.5x0.3+2.3
=100-3.75+2.3
=100-1.45
=98.55
=12.5x(8-0.3)+2.3
=12.5x8-12.5x0.3+2.3
=100-3.75+2.3
=100-1.45
=98.55
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
12.5x7.7+2.3
=12.5×(10-2.4+0.1)+2.3
=125-12.5×0.8×3+1.25+2.3
=125-30+1.25+2.3
=95+3.55
=98.55
=12.5×(10-2.4+0.1)+2.3
=125-12.5×0.8×3+1.25+2.3
=125-30+1.25+2.3
=95+3.55
=98.55
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
还有懒办法,用手机计算器
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
广告 您可能关注的内容 |