99.99x22.22+33.33x33.34简便计算
答案:1 悬赏:60 手机版
解决时间 2021-03-16 11:14
- 提问者网友：咪咪
- 2021-03-15 12:36
99.99x22.22+33.33x33.34简便计算
最佳答案
- 五星知识达人网友：患得患失的劫
- 2021-03-15 14:15
99.99×22.22+33.33×33.34
=33.33×3×22.22+33.33×33.34
=33.33×66.66+33.33×33.34
=33.33×(66.66+33.34)
=33.33×100
=3333追问为啥这样做
=33.33×3×22.22+33.33×33.34
=33.33×66.66+33.33×33.34
=33.33×(66.66+33.34)
=33.33×100
=3333追问为啥这样做
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