1992×198.9-1991×198.8 过程
答案:6 悬赏:20 手机版
解决时间 2021-03-27 05:25
- 提问者网友：箛茗
- 2021-03-26 21:34
1992×198.9-1991×198.8 过程
最佳答案
- 五星知识达人网友：一叶十三刺
- 2021-03-26 23:05
1992×198.9-1991×198.8
=(1991+1)×198.9-1991×198.8
=1991×198.9-1991×198.8+198.9
=1991×(198.9 -198.8)+198.9
=199.1+198.9
=398
=(1991+1)×198.9-1991×198.8
=1991×198.9-1991×198.8+198.9
=1991×(198.9 -198.8)+198.9
=199.1+198.9
=398
全部回答
- 1楼网友：酒安江南
- 2021-03-27 03:06
（1991+1）x198.9-1991x（198.9-0.1）=198.9+199.1=398
- 2楼网友：过活
- 2021-03-27 02:11
=1991*(198.8+0.1)+198.9-1991*198.8
=1991*0.1+198.9
=199.1+198.9
=398
=1991*0.1+198.9
=199.1+198.9
=398
- 3楼网友：行雁书
- 2021-03-27 01:40
1992×198.9-1991×198.8
=（1992-1991）×198.8
=198.8
望采纳
=（1992-1991）×198.8
=198.8
望采纳
- 4楼网友：三千妖杀
- 2021-03-27 00:24
=（1991+1）*198.9-1991*198.8
=1991*198.9+198.9-1991*198.8
=1991*（198.9-198.8）+198.9
=199.1+198.9
=200-0.9+200-1.1
=400-2
=398
=1991*198.9+198.9-1991*198.8
=1991*（198.9-198.8）+198.9
=199.1+198.9
=200-0.9+200-1.1
=400-2
=398
- 5楼网友：一把行者刀
- 2021-03-26 23:39
原式=（1991+1）×198.9-1991×198.8
=1991×198.9-1991×198.8+1×198.9
=1991×（198.9-198.8）+198.9
=1991×0.1+198.9
=199.1+198.9
=398
=1991×198.9-1991×198.8+1×198.9
=1991×（198.9-198.8）+198.9
=1991×0.1+198.9
=199.1+198.9
=398
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