78.1减7.7除以0.7乘5.2 简便计算
1个回答
2017-02-08
展开全部
78.1-7.7÷0.7*5.2
=78.1-11*5.2
=78.1-(10+1)*5.2
=78.1-10*5.2-5.2
=78.1-52-5.2
=26.1-5.2
=20.9
=78.1-11*5.2
=78.1-(10+1)*5.2
=78.1-10*5.2-5.2
=78.1-52-5.2
=26.1-5.2
=20.9
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