1.78乘79加1.78脱式计算
答案:4 悬赏:50 手机版
解决时间 2021-01-20 23:48
- 提问者网友:且恨且铭记
- 2021-01-20 09:09
1.78乘79加1.78脱式计算
最佳答案
- 五星知识达人网友:玩世
- 2021-01-20 10:38
1.78x79+1.78
=1.78x(79+1)
=1.78x80
=17.8x8
=142.4
=1.78x(79+1)
=1.78x80
=17.8x8
=142.4
全部回答
- 1楼网友:底特律间谍
- 2021-01-20 11:57
1.78乘79加1.78脱式计算
解:采用分配律,
原式=1.78x79+1.78
=1.78x(79+1)
=1.78x80
=142.4
解:采用分配律,
原式=1.78x79+1.78
=1.78x(79+1)
=1.78x80
=142.4
- 2楼网友:深街酒徒
- 2021-01-20 11:03
1.78乘79加1.78
=1.78x(79+1)
=1.78x80
=142.4
=1.78x(79+1)
=1.78x80
=142.4
- 3楼网友:走死在岁月里
- 2021-01-20 10:54
1.78*(79+1)=1.78*80=142.4
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