36×2.57+1.2×22.9的简便方法?
展开全部
36x2.57+1.2x22.9
=3×12X2.57+12X2.29
=12X7.71+12X2.29
=12x(历凳7.71+2.29)肢凳旅粗念
=12X10
=120
=3×12X2.57+12X2.29
=12X7.71+12X2.29
=12x(历凳7.71+2.29)肢凳旅粗念
=12X10
=120
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
36x2.57+1.2x22.9
=12x3x2.57+12x2.29
=12x7.71+12x2.29
=12x(7.71+2.29)
=12x10
=120
=12x3x2.57+12x2.29
=12x7.71+12x2.29
=12x(7.71+2.29)
=12x10
=120
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