99x7的简便计算
答案:4 悬赏:10 手机版
解决时间 2021-03-16 19:22
- 提问者网友:十年饮冰
- 2021-03-16 15:18
99x7的简便计算
最佳答案
- 五星知识达人网友:人類模型
- 2021-03-16 16:03
99×7
=(100-1)×7
=700-7
=693
=(100-1)×7
=700-7
=693
全部回答
- 1楼网友:我住北渡口
- 2021-03-16 20:04
99×7
=(100-1)×7
=700-7
=693
=(100-1)×7
=700-7
=693
- 2楼网友:蕴藏春秋
- 2021-03-16 18:35
99x7的简便计算
99x7
=(100-1)x7
=100x7-7
=700-7
=693
99x7
=(100-1)x7
=100x7-7
=700-7
=693
- 3楼网友:一把行者刀
- 2021-03-16 17:11
99x7
=(100-1)x7
=100x7-7
=700-7
=693
=(100-1)x7
=100x7-7
=700-7
=693
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