(用简便方法计算下面各题) (3.8+3.3÷0.15)×0.12 (12.6÷0.5+4.8)÷0.06 9.8÷14
1个回答
2013-07-14
展开全部
(3.8+3.3÷0.15)×0.12
=(3.8+22)X0.12
=25.8X0.12
=25X0.12+0.8X0.12
=25X0.4X0.3+0.8X0.1+0.8X0.02
=10X0.3+0.08+0.016
=3+0.08+0.016
=3.096
(12.6÷0.5+4.8)÷0.06
=(12.6X2+4.8)/0.06
=(25.2+4.8)/0.06
=30/0.06
=3000/6
=500
9.8/14
=9.8/7/2
=1.4/2
=0.7
=(3.8+22)X0.12
=25.8X0.12
=25X0.12+0.8X0.12
=25X0.4X0.3+0.8X0.1+0.8X0.02
=10X0.3+0.08+0.016
=3+0.08+0.016
=3.096
(12.6÷0.5+4.8)÷0.06
=(12.6X2+4.8)/0.06
=(25.2+4.8)/0.06
=30/0.06
=3000/6
=500
9.8/14
=9.8/7/2
=1.4/2
=0.7
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