![](https://iknow-base.cdn.bcebos.com/lxb/notice.png)
4.2×2.5+4.2÷2.3+5.8×2.5+2.7÷2.3的简便方法?
1个回答
展开全部
4.2×2.5+4.2÷2.3+5.8×2.5+2.7÷2.3
=4.2×2.5+5.8×2.5+4.2÷2.3+2.7÷2.3
=(4.2+5.8)×2.5+(4.2+2.7)÷2.3
=10×2.5+6.9÷2.3
=25+3
=28
=4.2×2.5+5.8×2.5+4.2÷2.3+2.7÷2.3
=(4.2+5.8)×2.5+(4.2+2.7)÷2.3
=10×2.5+6.9÷2.3
=25+3
=28
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