72加192乘9的简便运算
答案:3 悬赏:80 手机版
解决时间 2021-11-17 03:49
- 提问者网友:临风不自傲
- 2021-11-16 12:18
72加192乘9的简便运算
最佳答案
- 五星知识达人网友:渡鹤影
- 2021-11-16 12:45
72+192x9
=8x9+192x9
=(8+192)x9
=200x9
=1800
=8x9+192x9
=(8+192)x9
=200x9
=1800
全部回答
- 1楼网友:長槍戰八方
- 2021-11-16 14:38
72+192x9
=8x9+192x9
=(8+192)x9
=200x9
=1800
=8x9+192x9
=(8+192)x9
=200x9
=1800
- 2楼网友:千杯敬自由
- 2021-11-16 14:08
72+192*9
=9*8+192*8
=9*(8+192)
=9*200
=1800
=9*8+192*8
=9*(8+192)
=9*200
=1800
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