25.6/4.2+2.3/25.6-5.6/6.5简算
答案:2 悬赏:10 手机版
解决时间 2021-02-14 02:31
- 提问者网友:缘字诀
- 2021-02-13 17:52
25.6/4.2+2.3/25.6-5.6/6.5简算
最佳答案
- 五星知识达人网友:一袍清酒付
- 2021-02-13 19:06
简便计算
25.6×4.2+2.3×25.6-5.6×6.5
=25.6×(4.2+2.3)-5.6×6.5
=25.6×6.5-5.6×6.5
=(25.6-5.6)×6.5
=20×6.5
=130
25.6×4.2+2.3×25.6-5.6×6.5
=25.6×(4.2+2.3)-5.6×6.5
=25.6×6.5-5.6×6.5
=(25.6-5.6)×6.5
=20×6.5
=130
全部回答
- 1楼网友:一袍清酒付
- 2021-02-13 19:18
25.6×3.2-5.6×3.2
=(25.6-5.6)x3.2
=20x3.2
=64
谢谢,请采纳
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