59分之17乘以63分之12加上63分之17乘以59分之51巧算?
10个回答
展开全部
17/59×12/63
+17/63×51/59
=17/63×12/59
+17/63×51/63
=17/63×(12/59+51/59)
=17/63×63/59
=17/59
+17/63×51/59
=17/63×12/59
+17/63×51/63
=17/63×(12/59+51/59)
=17/63×63/59
=17/59
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
原式=17/59×12/63+17/63×51/59
=17/59×12/63+17×3/59×17/63
=17/59×12/63+17/59×51/63
=17/59×(12/63+51/63)
=17/59
=17/59×12/63+17×3/59×17/63
=17/59×12/63+17/59×51/63
=17/59×(12/63+51/63)
=17/59
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
17/59×12/63+17/63×51/59
=17/59×12/63+17/59×51/63
=17/59×(12/63+51/63)
=17/59×1
=17/59
=17/59×12/63+17/59×51/63
=17/59×(12/63+51/63)
=17/59×1
=17/59
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
17/59×12/63+17/63×51/59
=12/59×17/63+17/63×51/59
=17/63×(12/59+51/59)
=17/63×63/59
=17/59
=12/59×17/63+17/63×51/59
=17/63×(12/59+51/59)
=17/63×63/59
=17/59
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