1.78X9.9+0.178简便计算
答案:4 悬赏:70 手机版
解决时间 2021-03-05 06:09
- 提问者网友：城市野鹿
- 2021-03-04 11:49
1.78X9.9+0.178简便计算
最佳答案
- 五星知识达人网友：佘樂
- 2021-03-04 12:22
1.78X9.9+0.178简便计算
=1.78x9.9+1.78x0.1
=1.78x（9.9+0.1）
=1.78x10
=17.8
=1.78x9.9+1.78x0.1
=1.78x（9.9+0.1）
=1.78x10
=17.8
全部回答
- 1楼网友：往事埋风中
- 2021-03-04 15:20
1.78X9.9+0.178简便计算
0.178=0.1x1.78
所以1.78X9.9+0.178=1.78x9.9+1.78x0.1
=1.78x（9.9+0.1）
=1.78x10
=17.8
0.178=0.1x1.78
所以1.78X9.9+0.178=1.78x9.9+1.78x0.1
=1.78x（9.9+0.1）
=1.78x10
=17.8
- 2楼网友：零点过十分
- 2021-03-04 14:18
1.78x9.9+0.178
=1.78x(9.9+0.1)
=1.78ⅹ10
=17.8
=1.78x(9.9+0.1)
=1.78ⅹ10
=17.8
- 3楼网友：一秋
- 2021-03-04 13:28
1.78*9.9+0.178=1.78*（10-0.1）+0.178=17.8-0.178+0.178=17.8
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