
15.8X5.8+4.2X4.2+11.6X4.2 的简便算法
2个回答
展开全部
15.8X5.8十4.2X4.2十11.6X4.2
=15.8X5.8十4.2X(4.2十11.6)
=15.8X5.8十4.2X15.8
=15.8X(5.8十4.2)
=15.8X10
=158
=15.8X5.8十4.2X(4.2十11.6)
=15.8X5.8十4.2X15.8
=15.8X(5.8十4.2)
=15.8X10
=158
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