66.66×11.11加33.33×77.78如何简便
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解决时间 2021-11-28 17:48
- 提问者网友：骨子里的高雅
- 2021-11-27 21:29
66.66×11.11加33.33×77.78如何简便
最佳答案
- 五星知识达人网友：爱难随人意
- 2021-11-27 22:31
原式
=66.66x11.11+33.33x77.78
=33.33x2x11.11+33.33x77.78
=33.33x22.22+33.33x77.78
=33.33x(22.22+77.78)
=33.33x100
=3333
=66.66x11.11+33.33x77.78
=33.33x2x11.11+33.33x77.78
=33.33x22.22+33.33x77.78
=33.33x(22.22+77.78)
=33.33x100
=3333
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