7.89×32+2.5×78.9+0.789×430简便计算
4个回答
展开全部
7.89×32+2.5×78.9+0.789×430
=7.89×32+25×7.89+7.89×43
=7.89×(32+25+43)
=7.89×100
=789
=7.89×32+25×7.89+7.89×43
=7.89×(32+25+43)
=7.89×100
=789
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
7.89×32+2.5×78.9+0.789×430
=7.89×32+25×7.89+7.89×43
=7.89×(32+25+43)
=7.89×100
=789
=7.89×32+25×7.89+7.89×43
=7.89×(32+25+43)
=7.89×100
=789
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=7.89×32+25×7.89+7.89×43
=7.89×100
=789
=7.89×100
=789
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
=(3.2+2.5+4.3)*78.9
=10*78.9
=789
=10*78.9
=789
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