4点34乘9点9减99乘o点1简便万方法一共5部
答案:3 悬赏:30 手机版
解决时间 2021-03-30 05:16
- 提问者网友：原来太熟悉了会陌生
- 2021-03-29 11:15
4点34乘9点9减99乘o点1简便万方法一共5部
最佳答案
- 五星知识达人网友：时间的尘埃
- 2021-03-29 12:08
4.34x9.9-99x0.1
=4.34x9.9-9.9x1
=(4.34-1)x9.9
=3.34x9.9
=3.34x10-3.34x0.1
=33.4-0.334
=33.066
=4.34x9.9-9.9x1
=(4.34-1)x9.9
=3.34x9.9
=3.34x10-3.34x0.1
=33.4-0.334
=33.066
全部回答
- 1楼网友：神也偏爱
- 2021-03-29 14:15
简便方法计算如下：
4.34x9.9-99x0.1
=4.34x9.9-9.9x1
=(4.34-1)x9.9
=3.34x9.9
=3.34x10-3.34x0.1
=33.4-0.334
=33.066
4.34x9.9-99x0.1
=4.34x9.9-9.9x1
=(4.34-1)x9.9
=3.34x9.9
=3.34x10-3.34x0.1
=33.4-0.334
=33.066
- 2楼网友：躲不过心动
- 2021-03-29 13:45
4.34x9.9-99x0.1
=9.9x(4.34-1)
=9.9x3.34
=10x3.34-0.1x3.34
=33.4-0.334
=33.066
=9.9x(4.34-1)
=9.9x3.34
=10x3.34-0.1x3.34
=33.4-0.334
=33.066
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