67.2-(12.63-9.04)的简便运算?
展开全部
67.2一(12.63一9.04)
=67.2一12.63+9.04
=67+0.2一12一0.6一0.03+9+0.04
=(67+9一12)+(0.2一0.6)
+(0.04一0.03)
=64一0.4+0.01
=63.61。
=67.2一12.63+9.04
=67+0.2一12一0.6一0.03+9+0.04
=(67+9一12)+(0.2一0.6)
+(0.04一0.03)
=64一0.4+0.01
=63.61。
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
67.2-(12.63-9.04)
=67.2-12.63+9.04
=54.57+9.04
=63.61
=67.2-12.63+9.04
=54.57+9.04
=63.61
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
=67.2-12.63+9.04
=67.2+9.04-12.63
=76.24-12.63
=76+0.24-12-0.63
=76-12+0.24-0.63
=(76-12)-(0.63-0.24)
=64-(0.63+0.01-0.01-0.24)
=64-(0.64-0.01-0.24)
=64-(0.64-0.24-0.01)
=64-(0.4-0.01)
=64-0.39
=63.61
=67.2+9.04-12.63
=76.24-12.63
=76+0.24-12-0.63
=76-12+0.24-0.63
=(76-12)-(0.63-0.24)
=64-(0.63+0.01-0.01-0.24)
=64-(0.64-0.01-0.24)
=64-(0.64-0.24-0.01)
=64-(0.4-0.01)
=64-0.39
=63.61
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