作业帮5又5/9÷10/11+3又4/9×1.1简便运算
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/25 17:25:15
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5又5/9÷10/11+3又4/9×1.1简便运算
5又5/9÷10/11+3又4/9×1.1简便运算
5又5/9÷10/11+3又4/9×1.1简便运算
5又5/9÷10/11+3又4/9×1.1
=5又5/9x11/10+3又4/9×1.1
=5又5/9x1.1+3又4/9×1.1
=1.1x(50/9+31/9)
=1.1x81/9
=1.1x9
=9.9
(5又5/9+3又4/9)×11/10