简便计算：5/19+1.4/19×5.76-0.213×14/19+14/190×6.37
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/28 01:09:42
简便计算：5/19+1.4/19×5.76-0.213×14/19+14/190×6.37简便计算：5/19+1.4/19×5.76-0.213×14/19+14/190×6.37简便计算：5/19+
简便计算：5/19+1.4/19×5.76-0.213×14/19+14/190×6.37
简便计算：5/19+1.4/19×5.76-0.213×14/19+14/190×6.37
简便计算：5/19+1.4/19×5.76-0.213×14/19+14/190×6.37
5/19+1.4/19×5.76-0.213×14/19+14/190×6.37
=5/19+14/190×5.76-0.213×140/190+14/190×6.37
=5/19+14/190×5.76-2.13×14/190+14/190×6.37
=5/19+14/190×(5.76-2.13+6.37)
=5/19+14/190×10
=5/19+14/19
=1
5/19+1.4/19×5.76-0.213×14/19+14/190×6.37
=5/19+(1.4/19×5.76-2.13×1.4/19+1.4/19×6.37)
=5/19+1.4/19×(5.76-2.13+×6.37)
=5/19+1.4/19×10
=5/19+14/19
=1
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