简算99.9+99.9+99.9+0.3
答案:5 悬赏:70 手机版
解决时间 2021-12-01 13:09
- 提问者网友：浪荡绅士
- 2021-12-01 09:20
简算99.9+99.9+99.9+0.3
最佳答案
- 五星知识达人网友：神的生死簿
- 2021-12-01 09:57
99.9+99.9+99.9+0.3
=（99.9+0.1）+（99.9+0.1）+（99.9+0.1）
=100+100+100
=300
=（99.9+0.1）+（99.9+0.1）+（99.9+0.1）
=100+100+100
=300
全部回答
- 1楼网友：青灯有味
- 2021-12-01 14:51
90X3+9x3+0.9X3+0.3
=270+27+2.7+03
=270+27+3=300
=270+27+2.7+03
=270+27+3=300
- 2楼网友：掌灯师
- 2021-12-01 13:25
=（100-0.1）×3+0.3
=100×3-0.1×3+0.3
=300-0.3+0.3
=300
=100×3-0.1×3+0.3
=300-0.3+0.3
=300
- 3楼网友：慢性怪人
- 2021-12-01 12:22
99.9+99.9+99.9+0.3
=99.9+0.1+99.9+0.1+99.9+0.1
=100+100+100
=300
=99.9+0.1+99.9+0.1+99.9+0.1
=100+100+100
=300
- 4楼网友：忘川信使
- 2021-12-01 10:58
99.9+99.9+99.9+0.3
=99.9x3+0.1x3
=(99.9+0.1)x3
=100x3
=300
=99.9x3+0.1x3
=(99.9+0.1)x3
=100x3
=300
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