六点9+1点9×0点2÷7点六5.95÷(1.2+0.5)x5的简便计算？
1个回答
展开全部
6.9+1.9X0.2÷7.6
=6.9+0.38÷38÷0.2
=6.9+0.01÷0.2
=6.9+0.05
=6.95
5.95÷(1.2+0.5)X5
=5X5.95÷1.7
=5X5.1÷1.7+5X0.85÷1.7
=5X3+5X0.5
=15+2.5
=17.5
=6.9+0.38÷38÷0.2
=6.9+0.01÷0.2
=6.9+0.05
=6.95
5.95÷(1.2+0.5)X5
=5X5.95÷1.7
=5X5.1÷1.7+5X0.85÷1.7
=5X3+5X0.5
=15+2.5
=17.5
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
