9.9X1.4用简便方法计算
答案:5 悬赏:10 手机版
解决时间 2021-11-12 16:53
- 提问者网友:玫瑰园
- 2021-11-11 22:53
9.9X1.4用简便方法计算
最佳答案
- 五星知识达人网友:骨子里都是戏
- 2021-11-11 23:23
9.9x1.4
=(10-0.1)x1.4
=10x1.4-0.1x1.4
=14-0.14
=13.86
谢谢,请采纳
=(10-0.1)x1.4
=10x1.4-0.1x1.4
=14-0.14
=13.86
谢谢,请采纳
全部回答
- 1楼网友:第幾種人
- 2021-11-12 03:37
=(10-0.1)×1.4=10×1.4-0.1×1.4=14-0.14=13.86
- 2楼网友:渊鱼
- 2021-11-12 03:15
9.9X1.4
=10X1.4-0.1X1.4
=14-0.14
=13.86
=10X1.4-0.1X1.4
=14-0.14
=13.86
- 3楼网友:轻熟杀无赦
- 2021-11-12 02:22
9.9X1.4
=10X1.4-0.1X1.4
=14-0.14
=13.86
=10X1.4-0.1X1.4
=14-0.14
=13.86
- 4楼网友:神也偏爱
- 2021-11-12 00:45
9.9X1.4的简便方法计算
(9.9+0.1)×1.4-0.1×1.4
=10×1.4-0.14
=14-0.14
=13.86
(9.9+0.1)×1.4-0.1×1.4
=10×1.4-0.14
=14-0.14
=13.86
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