8.11-0.73+1.89+2.27=多少
答案:6 悬赏:20 手机版
解决时间 2021-02-13 00:48
- 提问者网友：杀生予夺
- 2021-02-12 06:02
8.11-0.73+1.89+2.27=多少
最佳答案
- 五星知识达人网友：迟山
- 2021-02-12 07:39
8.11-0.73+1.89+2.27=
8.11+1.89+2.27-0.73
=8+1+0.11+0.89+1.27+1-0.73
=9+2+1.27+0.27
=12.27+0.27
=12.54
8.11+1.89+2.27-0.73
=8+1+0.11+0.89+1.27+1-0.73
=9+2+1.27+0.27
=12.27+0.27
=12.54
全部回答
- 1楼网友：从此江山别
- 2021-02-12 11:24
考的是加法交换律和数字拆分
8.11-0.73+1.89+2.27
=（8.11+1.89）+2.27-0.73
=10+2.27-1+0.27
=9+2.54
=11.54
8.11-0.73+1.89+2.27
=（8.11+1.89）+2.27-0.73
=10+2.27-1+0.27
=9+2.54
=11.54
- 2楼网友：行雁书
- 2021-02-12 11:05
8.11-0.73+1.89+2.27=（8.11+1.89）+（2.27-0.73）=10+1.54=11.54。
- 3楼网友：狂恋
- 2021-02-12 10:39
等于11.54
- 4楼网友：我住北渡口
- 2021-02-12 09:37
8.11-0.73+1.89+2.27
=（8.11+1.89）+2.27-0.73
=10+2.27-1+0.27
=9+2.54
=11.54
=（8.11+1.89）+2.27-0.73
=10+2.27-1+0.27
=9+2.54
=11.54
- 5楼网友：玩家
- 2021-02-12 09:07
8.11+1.89+2.27-0.73
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